1e705c121SKalle Valo /****************************************************************************** 2e705c121SKalle Valo * 3e705c121SKalle Valo * This file is provided under a dual BSD/GPLv2 license. When using or 4e705c121SKalle Valo * redistributing this file, you may do so under either license. 5e705c121SKalle Valo * 6e705c121SKalle Valo * GPL LICENSE SUMMARY 7e705c121SKalle Valo * 8e705c121SKalle Valo * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 9e705c121SKalle Valo * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 10de8ba41bSLiad Kaufman * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 118745f12aSShaul Triebitz * Copyright(c) 2018 Intel Corporation 12e705c121SKalle Valo * 13e705c121SKalle Valo * This program is free software; you can redistribute it and/or modify 14e705c121SKalle Valo * it under the terms of version 2 of the GNU General Public License as 15e705c121SKalle Valo * published by the Free Software Foundation. 16e705c121SKalle Valo * 17e705c121SKalle Valo * This program is distributed in the hope that it will be useful, but 18e705c121SKalle Valo * WITHOUT ANY WARRANTY; without even the implied warranty of 19e705c121SKalle Valo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20e705c121SKalle Valo * General Public License for more details. 21e705c121SKalle Valo * 22e705c121SKalle Valo * The full GNU General Public License is included in this distribution 23e705c121SKalle Valo * in the file called COPYING. 24e705c121SKalle Valo * 25e705c121SKalle Valo * Contact Information: 26cb2f8277SEmmanuel Grumbach * Intel Linux Wireless <linuxwifi@intel.com> 27e705c121SKalle Valo * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28e705c121SKalle Valo * 29e705c121SKalle Valo * BSD LICENSE 30e705c121SKalle Valo * 31e705c121SKalle Valo * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 32e705c121SKalle Valo * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 33de8ba41bSLiad Kaufman * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 348745f12aSShaul Triebitz * Copyright(c) 2018 Intel Corporation 35e705c121SKalle Valo * All rights reserved. 36e705c121SKalle Valo * 37e705c121SKalle Valo * Redistribution and use in source and binary forms, with or without 38e705c121SKalle Valo * modification, are permitted provided that the following conditions 39e705c121SKalle Valo * are met: 40e705c121SKalle Valo * 41e705c121SKalle Valo * * Redistributions of source code must retain the above copyright 42e705c121SKalle Valo * notice, this list of conditions and the following disclaimer. 43e705c121SKalle Valo * * Redistributions in binary form must reproduce the above copyright 44e705c121SKalle Valo * notice, this list of conditions and the following disclaimer in 45e705c121SKalle Valo * the documentation and/or other materials provided with the 46e705c121SKalle Valo * distribution. 47e705c121SKalle Valo * * Neither the name Intel Corporation nor the names of its 48e705c121SKalle Valo * contributors may be used to endorse or promote products derived 49e705c121SKalle Valo * from this software without specific prior written permission. 50e705c121SKalle Valo * 51e705c121SKalle Valo * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 52e705c121SKalle Valo * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 53e705c121SKalle Valo * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 54e705c121SKalle Valo * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 55e705c121SKalle Valo * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 56e705c121SKalle Valo * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 57e705c121SKalle Valo * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58e705c121SKalle Valo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59e705c121SKalle Valo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60e705c121SKalle Valo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 61e705c121SKalle Valo * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62e705c121SKalle Valo * 63e705c121SKalle Valo *****************************************************************************/ 64e705c121SKalle Valo #include <linux/module.h> 65e705c121SKalle Valo #include <linux/vmalloc.h> 66e705c121SKalle Valo #include <net/mac80211.h> 67e705c121SKalle Valo 689fca9d5cSJohannes Berg #include "fw/notif-wait.h" 69e705c121SKalle Valo #include "iwl-trans.h" 70e705c121SKalle Valo #include "iwl-op-mode.h" 71d962f9b1SJohannes Berg #include "fw/img.h" 72e705c121SKalle Valo #include "iwl-debug.h" 73e705c121SKalle Valo #include "iwl-drv.h" 74e705c121SKalle Valo #include "iwl-modparams.h" 75e705c121SKalle Valo #include "mvm.h" 76e705c121SKalle Valo #include "iwl-phy-db.h" 77e705c121SKalle Valo #include "iwl-eeprom-parse.h" 78e705c121SKalle Valo #include "iwl-csr.h" 79e705c121SKalle Valo #include "iwl-io.h" 80e705c121SKalle Valo #include "iwl-prph.h" 81e705c121SKalle Valo #include "rs.h" 82d172a5efSJohannes Berg #include "fw/api/scan.h" 83e705c121SKalle Valo #include "time-event.h" 8439bdb17eSSharon Dvir #include "fw-api.h" 85d172a5efSJohannes Berg #include "fw/api/scan.h" 86f2abcfa6SLuca Coelho #include "fw/acpi.h" 87e705c121SKalle Valo 88e705c121SKalle Valo #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux" 89e705c121SKalle Valo MODULE_DESCRIPTION(DRV_DESCRIPTION); 90e705c121SKalle Valo MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); 91e705c121SKalle Valo MODULE_LICENSE("GPL"); 92e705c121SKalle Valo 93e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops; 94e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops_mq; 95e705c121SKalle Valo 96e705c121SKalle Valo struct iwl_mvm_mod_params iwlmvm_mod_params = { 97e705c121SKalle Valo .power_scheme = IWL_POWER_SCHEME_BPS, 98e705c121SKalle Valo .tfd_q_hang_detect = true 99e705c121SKalle Valo /* rest of fields are 0 by default */ 100e705c121SKalle Valo }; 101e705c121SKalle Valo 1022ef00c53SJoe Perches module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444); 103e705c121SKalle Valo MODULE_PARM_DESC(init_dbg, 104e705c121SKalle Valo "set to true to debug an ASSERT in INIT fw (default: false"); 1052ef00c53SJoe Perches module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444); 106e705c121SKalle Valo MODULE_PARM_DESC(power_scheme, 107e705c121SKalle Valo "power management scheme: 1-active, 2-balanced, 3-low power, default: 2"); 108e705c121SKalle Valo module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect, 1092ef00c53SJoe Perches bool, 0444); 110e705c121SKalle Valo MODULE_PARM_DESC(tfd_q_hang_detect, 111e705c121SKalle Valo "TFD queues hang detection (default: true"); 112e705c121SKalle Valo 113e705c121SKalle Valo /* 114e705c121SKalle Valo * module init and exit functions 115e705c121SKalle Valo */ 116e705c121SKalle Valo static int __init iwl_mvm_init(void) 117e705c121SKalle Valo { 118e705c121SKalle Valo int ret; 119e705c121SKalle Valo 120e705c121SKalle Valo ret = iwl_mvm_rate_control_register(); 121e705c121SKalle Valo if (ret) { 122e705c121SKalle Valo pr_err("Unable to register rate control algorithm: %d\n", ret); 123e705c121SKalle Valo return ret; 124e705c121SKalle Valo } 125e705c121SKalle Valo 126e705c121SKalle Valo ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops); 1279f66a397SGregory Greenman if (ret) 128e705c121SKalle Valo pr_err("Unable to register MVM op_mode: %d\n", ret); 129e705c121SKalle Valo 130e705c121SKalle Valo return ret; 131e705c121SKalle Valo } 132e705c121SKalle Valo module_init(iwl_mvm_init); 133e705c121SKalle Valo 134e705c121SKalle Valo static void __exit iwl_mvm_exit(void) 135e705c121SKalle Valo { 136e705c121SKalle Valo iwl_opmode_deregister("iwlmvm"); 137e705c121SKalle Valo iwl_mvm_rate_control_unregister(); 138e705c121SKalle Valo } 139e705c121SKalle Valo module_exit(iwl_mvm_exit); 140e705c121SKalle Valo 141e705c121SKalle Valo static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) 142e705c121SKalle Valo { 143e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 144e705c121SKalle Valo u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; 145e705c121SKalle Valo u32 reg_val = 0; 146e705c121SKalle Valo u32 phy_config = iwl_mvm_get_phy_config(mvm); 147e705c121SKalle Valo 148e705c121SKalle Valo radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> 149e705c121SKalle Valo FW_PHY_CFG_RADIO_TYPE_POS; 150e705c121SKalle Valo radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> 151e705c121SKalle Valo FW_PHY_CFG_RADIO_STEP_POS; 152e705c121SKalle Valo radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> 153e705c121SKalle Valo FW_PHY_CFG_RADIO_DASH_POS; 154e705c121SKalle Valo 155e705c121SKalle Valo /* SKU control */ 156e705c121SKalle Valo reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) << 157e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_POS_MAC_STEP; 158e705c121SKalle Valo reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) << 159e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_POS_MAC_DASH; 160e705c121SKalle Valo 161e705c121SKalle Valo /* radio configuration */ 162e705c121SKalle Valo reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; 163e705c121SKalle Valo reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; 164e705c121SKalle Valo reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; 165e705c121SKalle Valo 166e705c121SKalle Valo WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & 167e705c121SKalle Valo ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); 168e705c121SKalle Valo 169e705c121SKalle Valo /* 1706e584873SSara Sharon * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC 1716e584873SSara Sharon * sampling, and shouldn't be set to any non-zero value. 1726e584873SSara Sharon * The same is supposed to be true of the other HW, but unsetting 1736e584873SSara Sharon * them (such as the 7260) causes automatic tests to fail on seemingly 1746e584873SSara Sharon * unrelated errors. Need to further investigate this, but for now 1756e584873SSara Sharon * we'll separate cases. 176e705c121SKalle Valo */ 1776e584873SSara Sharon if (mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_8000) 178e705c121SKalle Valo reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; 179e705c121SKalle Valo 1802d8c2615SShahar S Matityahu if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) 1812d8c2615SShahar S Matityahu reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG; 1822d8c2615SShahar S Matityahu 183e705c121SKalle Valo iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, 184e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH | 185e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP | 186e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | 187e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | 188e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | 189e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | 1902d8c2615SShahar S Matityahu CSR_HW_IF_CONFIG_REG_BIT_MAC_SI | 1912d8c2615SShahar S Matityahu CSR_HW_IF_CONFIG_REG_D3_DEBUG, 192e705c121SKalle Valo reg_val); 193e705c121SKalle Valo 194e705c121SKalle Valo IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, 195e705c121SKalle Valo radio_cfg_step, radio_cfg_dash); 196e705c121SKalle Valo 197e705c121SKalle Valo /* 198e705c121SKalle Valo * W/A : NIC is stuck in a reset state after Early PCIe power off 199e705c121SKalle Valo * (PCIe power is lost before PERST# is asserted), causing ME FW 200e705c121SKalle Valo * to lose ownership and not being able to obtain it back. 201e705c121SKalle Valo */ 202e705c121SKalle Valo if (!mvm->trans->cfg->apmg_not_supported) 203e705c121SKalle Valo iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, 204e705c121SKalle Valo APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, 205e705c121SKalle Valo ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); 206e705c121SKalle Valo } 207e705c121SKalle Valo 208c9cb14a6SChaya Rachel Ivgi /** 209c9cb14a6SChaya Rachel Ivgi * enum iwl_rx_handler_context context for Rx handler 210c9cb14a6SChaya Rachel Ivgi * @RX_HANDLER_SYNC : this means that it will be called in the Rx path 211c9cb14a6SChaya Rachel Ivgi * which can't acquire mvm->mutex. 212c9cb14a6SChaya Rachel Ivgi * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex 213c9cb14a6SChaya Rachel Ivgi * (and only in this case!), it should be set as ASYNC. In that case, 214c9cb14a6SChaya Rachel Ivgi * it will be called from a worker with mvm->mutex held. 215c9cb14a6SChaya Rachel Ivgi * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the 216c9cb14a6SChaya Rachel Ivgi * mutex itself, it will be called from a worker without mvm->mutex held. 217c9cb14a6SChaya Rachel Ivgi */ 218c9cb14a6SChaya Rachel Ivgi enum iwl_rx_handler_context { 219c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC, 220c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED, 221c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_UNLOCKED, 222c9cb14a6SChaya Rachel Ivgi }; 223c9cb14a6SChaya Rachel Ivgi 224c9cb14a6SChaya Rachel Ivgi /** 225c9cb14a6SChaya Rachel Ivgi * struct iwl_rx_handlers handler for FW notification 226c9cb14a6SChaya Rachel Ivgi * @cmd_id: command id 227c9cb14a6SChaya Rachel Ivgi * @context: see &iwl_rx_handler_context 228c9cb14a6SChaya Rachel Ivgi * @fn: the function is called when notification is received 229c9cb14a6SChaya Rachel Ivgi */ 230e705c121SKalle Valo struct iwl_rx_handlers { 231e705c121SKalle Valo u16 cmd_id; 232c9cb14a6SChaya Rachel Ivgi enum iwl_rx_handler_context context; 233e705c121SKalle Valo void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 234e705c121SKalle Valo }; 235e705c121SKalle Valo 236c9cb14a6SChaya Rachel Ivgi #define RX_HANDLER(_cmd_id, _fn, _context) \ 237c9cb14a6SChaya Rachel Ivgi { .cmd_id = _cmd_id, .fn = _fn, .context = _context } 238c9cb14a6SChaya Rachel Ivgi #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context) \ 239c9cb14a6SChaya Rachel Ivgi { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context } 240e705c121SKalle Valo 241e705c121SKalle Valo /* 242e705c121SKalle Valo * Handlers for fw notifications 243e705c121SKalle Valo * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME 244e705c121SKalle Valo * This list should be in order of frequency for performance purposes. 245e705c121SKalle Valo * 246c9cb14a6SChaya Rachel Ivgi * The handler can be one from three contexts, see &iwl_rx_handler_context 247e705c121SKalle Valo */ 248e705c121SKalle Valo static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { 249c9cb14a6SChaya Rachel Ivgi RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC), 250c9cb14a6SChaya Rachel Ivgi RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC), 251e705c121SKalle Valo 25284226ca1SGregory Greenman RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, 25384226ca1SGregory Greenman iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC), 25484226ca1SGregory Greenman 255c9cb14a6SChaya Rachel Ivgi RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, 256c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 257c9cb14a6SChaya Rachel Ivgi RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, 258c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 259c9cb14a6SChaya Rachel Ivgi RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, 260c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 261e705c121SKalle Valo 2623af512d6SSara Sharon RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, 263c9cb14a6SChaya Rachel Ivgi iwl_mvm_window_status_notif, RX_HANDLER_SYNC), 2643af512d6SSara Sharon 265c9cb14a6SChaya Rachel Ivgi RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, 266c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 267c9cb14a6SChaya Rachel Ivgi RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, 268c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 269e705c121SKalle Valo 270c9cb14a6SChaya Rachel Ivgi RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC), 271e705c121SKalle Valo 272e705c121SKalle Valo RX_HANDLER(SCAN_ITERATION_COMPLETE, 273c9cb14a6SChaya Rachel Ivgi iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC), 274e705c121SKalle Valo RX_HANDLER(SCAN_OFFLOAD_COMPLETE, 275c9cb14a6SChaya Rachel Ivgi iwl_mvm_rx_lmac_scan_complete_notif, 276c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 277e705c121SKalle Valo RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found, 278c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 279e705c121SKalle Valo RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, 280c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 281e705c121SKalle Valo RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, 282c9cb14a6SChaya Rachel Ivgi iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC), 283e705c121SKalle Valo 284c9cb14a6SChaya Rachel Ivgi RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, 285c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 286e705c121SKalle Valo 287e705c121SKalle Valo RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, 288c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 289e705c121SKalle Valo 290c9cb14a6SChaya Rachel Ivgi RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC), 291e705c121SKalle Valo RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, 292c9cb14a6SChaya Rachel Ivgi iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC), 293c9cb14a6SChaya Rachel Ivgi RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, 294c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 295e705c121SKalle Valo RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, 296ec77a33eSChaya Rachel Ivgi iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), 2970a3b7119SChaya Rachel Ivgi RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, 298c9cb14a6SChaya Rachel Ivgi iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC), 299e705c121SKalle Valo 300e705c121SKalle Valo RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, 301c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 302c9cb14a6SChaya Rachel Ivgi RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, 303c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 304bdccdb85SGolan Ben-Ami RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, 305bdccdb85SGolan Ben-Ami iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC), 3060db056d3SSara Sharon RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, 307c9cb14a6SChaya Rachel Ivgi iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC), 308f92659a1SSara Sharon RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, 309c9cb14a6SChaya Rachel Ivgi iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC), 31065e25482SJohannes Berg RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, 31165e25482SJohannes Berg iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC), 312e705c121SKalle Valo }; 313e705c121SKalle Valo #undef RX_HANDLER 314e705c121SKalle Valo #undef RX_HANDLER_GRP 315e705c121SKalle Valo 31639bdb17eSSharon Dvir /* Please keep this array *SORTED* by hex value. 31739bdb17eSSharon Dvir * Access is done through binary search 31839bdb17eSSharon Dvir */ 31939bdb17eSSharon Dvir static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { 32039bdb17eSSharon Dvir HCMD_NAME(MVM_ALIVE), 32139bdb17eSSharon Dvir HCMD_NAME(REPLY_ERROR), 32239bdb17eSSharon Dvir HCMD_NAME(ECHO_CMD), 32339bdb17eSSharon Dvir HCMD_NAME(INIT_COMPLETE_NOTIF), 32439bdb17eSSharon Dvir HCMD_NAME(PHY_CONTEXT_CMD), 32539bdb17eSSharon Dvir HCMD_NAME(DBG_CFG), 32639bdb17eSSharon Dvir HCMD_NAME(SCAN_CFG_CMD), 32739bdb17eSSharon Dvir HCMD_NAME(SCAN_REQ_UMAC), 32839bdb17eSSharon Dvir HCMD_NAME(SCAN_ABORT_UMAC), 32939bdb17eSSharon Dvir HCMD_NAME(SCAN_COMPLETE_UMAC), 3303af512d6SSara Sharon HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), 33139bdb17eSSharon Dvir HCMD_NAME(ADD_STA_KEY), 33239bdb17eSSharon Dvir HCMD_NAME(ADD_STA), 33339bdb17eSSharon Dvir HCMD_NAME(REMOVE_STA), 33439bdb17eSSharon Dvir HCMD_NAME(FW_GET_ITEM_CMD), 33539bdb17eSSharon Dvir HCMD_NAME(TX_CMD), 33639bdb17eSSharon Dvir HCMD_NAME(SCD_QUEUE_CFG), 33739bdb17eSSharon Dvir HCMD_NAME(TXPATH_FLUSH), 33839bdb17eSSharon Dvir HCMD_NAME(MGMT_MCAST_KEY), 33939bdb17eSSharon Dvir HCMD_NAME(WEP_KEY), 34039bdb17eSSharon Dvir HCMD_NAME(SHARED_MEM_CFG), 34139bdb17eSSharon Dvir HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), 34239bdb17eSSharon Dvir HCMD_NAME(MAC_CONTEXT_CMD), 34339bdb17eSSharon Dvir HCMD_NAME(TIME_EVENT_CMD), 34439bdb17eSSharon Dvir HCMD_NAME(TIME_EVENT_NOTIFICATION), 34539bdb17eSSharon Dvir HCMD_NAME(BINDING_CONTEXT_CMD), 34639bdb17eSSharon Dvir HCMD_NAME(TIME_QUOTA_CMD), 34739bdb17eSSharon Dvir HCMD_NAME(NON_QOS_TX_COUNTER_CMD), 3487089ae63SJohannes Berg HCMD_NAME(LEDS_CMD), 34939bdb17eSSharon Dvir HCMD_NAME(LQ_CMD), 35039bdb17eSSharon Dvir HCMD_NAME(FW_PAGING_BLOCK_CMD), 35139bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), 35239bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), 35339bdb17eSSharon Dvir HCMD_NAME(HOT_SPOT_CMD), 35439bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), 35539bdb17eSSharon Dvir HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), 35639bdb17eSSharon Dvir HCMD_NAME(BT_COEX_CI), 35739bdb17eSSharon Dvir HCMD_NAME(PHY_CONFIGURATION_CMD), 35839bdb17eSSharon Dvir HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), 359176aa60bSSara Sharon HCMD_NAME(PHY_DB_CMD), 36039bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_COMPLETE), 36139bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), 36239bdb17eSSharon Dvir HCMD_NAME(POWER_TABLE_CMD), 36339bdb17eSSharon Dvir HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), 36439bdb17eSSharon Dvir HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), 36539bdb17eSSharon Dvir HCMD_NAME(DC2DC_CONFIG_CMD), 36639bdb17eSSharon Dvir HCMD_NAME(NVM_ACCESS_CMD), 36739bdb17eSSharon Dvir HCMD_NAME(BEACON_NOTIFICATION), 36839bdb17eSSharon Dvir HCMD_NAME(BEACON_TEMPLATE_CMD), 36939bdb17eSSharon Dvir HCMD_NAME(TX_ANT_CONFIGURATION_CMD), 37039bdb17eSSharon Dvir HCMD_NAME(BT_CONFIG), 37139bdb17eSSharon Dvir HCMD_NAME(STATISTICS_CMD), 37239bdb17eSSharon Dvir HCMD_NAME(STATISTICS_NOTIFICATION), 37339bdb17eSSharon Dvir HCMD_NAME(EOSP_NOTIFICATION), 37439bdb17eSSharon Dvir HCMD_NAME(REDUCE_TX_POWER_CMD), 37539bdb17eSSharon Dvir HCMD_NAME(CARD_STATE_NOTIFICATION), 37639bdb17eSSharon Dvir HCMD_NAME(MISSED_BEACONS_NOTIFICATION), 37739bdb17eSSharon Dvir HCMD_NAME(TDLS_CONFIG_CMD), 37839bdb17eSSharon Dvir HCMD_NAME(MAC_PM_POWER_TABLE), 37939bdb17eSSharon Dvir HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), 38039bdb17eSSharon Dvir HCMD_NAME(MFUART_LOAD_NOTIFICATION), 38143413a97SSara Sharon HCMD_NAME(RSS_CONFIG_CMD), 38239bdb17eSSharon Dvir HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), 38339bdb17eSSharon Dvir HCMD_NAME(REPLY_RX_PHY_CMD), 38439bdb17eSSharon Dvir HCMD_NAME(REPLY_RX_MPDU_CMD), 3853e73aa3bSEmmanuel Grumbach HCMD_NAME(FRAME_RELEASE), 38639bdb17eSSharon Dvir HCMD_NAME(BA_NOTIF), 38739bdb17eSSharon Dvir HCMD_NAME(MCC_UPDATE_CMD), 38839bdb17eSSharon Dvir HCMD_NAME(MCC_CHUB_UPDATE_CMD), 38939bdb17eSSharon Dvir HCMD_NAME(MARKER_CMD), 39039bdb17eSSharon Dvir HCMD_NAME(BT_PROFILE_NOTIFICATION), 39139bdb17eSSharon Dvir HCMD_NAME(BCAST_FILTER_CMD), 39239bdb17eSSharon Dvir HCMD_NAME(MCAST_FILTER_CMD), 39339bdb17eSSharon Dvir HCMD_NAME(REPLY_SF_CFG_CMD), 39439bdb17eSSharon Dvir HCMD_NAME(REPLY_BEACON_FILTERING_CMD), 39539bdb17eSSharon Dvir HCMD_NAME(D3_CONFIG_CMD), 39639bdb17eSSharon Dvir HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), 39739bdb17eSSharon Dvir HCMD_NAME(OFFLOADS_QUERY_CMD), 39839bdb17eSSharon Dvir HCMD_NAME(REMOTE_WAKE_CONFIG_CMD), 39939bdb17eSSharon Dvir HCMD_NAME(MATCH_FOUND_NOTIFICATION), 40039bdb17eSSharon Dvir HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), 40139bdb17eSSharon Dvir HCMD_NAME(WOWLAN_PATTERNS), 40239bdb17eSSharon Dvir HCMD_NAME(WOWLAN_CONFIGURATION), 40339bdb17eSSharon Dvir HCMD_NAME(WOWLAN_TSC_RSC_PARAM), 40439bdb17eSSharon Dvir HCMD_NAME(WOWLAN_TKIP_PARAM), 40539bdb17eSSharon Dvir HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), 40639bdb17eSSharon Dvir HCMD_NAME(WOWLAN_GET_STATUSES), 40739bdb17eSSharon Dvir HCMD_NAME(SCAN_ITERATION_COMPLETE), 40839bdb17eSSharon Dvir HCMD_NAME(D0I3_END_CMD), 40939bdb17eSSharon Dvir HCMD_NAME(LTR_CONFIG), 410e705c121SKalle Valo }; 41139bdb17eSSharon Dvir 41239bdb17eSSharon Dvir /* Please keep this array *SORTED* by hex value. 41339bdb17eSSharon Dvir * Access is done through binary search 41439bdb17eSSharon Dvir */ 4155b086414SGolan Ben-Ami static const struct iwl_hcmd_names iwl_mvm_system_names[] = { 4165b086414SGolan Ben-Ami HCMD_NAME(SHARED_MEM_CFG_CMD), 4174399caaaSSara Sharon HCMD_NAME(INIT_EXTENDED_CFG_CMD), 4185b086414SGolan Ben-Ami }; 4195b086414SGolan Ben-Ami 4205b086414SGolan Ben-Ami /* Please keep this array *SORTED* by hex value. 4215b086414SGolan Ben-Ami * Access is done through binary search 4225b086414SGolan Ben-Ami */ 42303098268SAviya Erenfeld static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { 424d3a108a4SAndrei Otcheretianski HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF), 42503098268SAviya Erenfeld }; 42603098268SAviya Erenfeld 42703098268SAviya Erenfeld /* Please keep this array *SORTED* by hex value. 42803098268SAviya Erenfeld * Access is done through binary search 42903098268SAviya Erenfeld */ 43039bdb17eSSharon Dvir static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { 43139bdb17eSSharon Dvir HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), 4325c89e7bcSChaya Rachel Ivgi HCMD_NAME(CTDP_CONFIG_CMD), 433c221daf2SChaya Rachel Ivgi HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), 434a6bff3cbSHaim Dreyfuss HCMD_NAME(GEO_TX_POWER_LIMIT), 4350a3b7119SChaya Rachel Ivgi HCMD_NAME(CT_KILL_NOTIFICATION), 43639bdb17eSSharon Dvir HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), 43739bdb17eSSharon Dvir }; 43839bdb17eSSharon Dvir 4390db056d3SSara Sharon /* Please keep this array *SORTED* by hex value. 4400db056d3SSara Sharon * Access is done through binary search 4410db056d3SSara Sharon */ 442e0d8fdecSSara Sharon static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { 443ddef2f98SEmmanuel Grumbach HCMD_NAME(DQA_ENABLE_CMD), 444e0d8fdecSSara Sharon HCMD_NAME(UPDATE_MU_GROUPS_CMD), 44594bb4481SSara Sharon HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), 446514c3069SLuca Coelho HCMD_NAME(STA_HE_CTXT_CMD), 4478edbfaa1SSara Sharon HCMD_NAME(RFH_QUEUE_CONFIG_CMD), 4485213e8a8SJohannes Berg HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), 44965e25482SJohannes Berg HCMD_NAME(STA_PM_NOTIF), 450f92659a1SSara Sharon HCMD_NAME(MU_GROUP_MGMT_NOTIF), 45194bb4481SSara Sharon HCMD_NAME(RX_QUEUES_NOTIFICATION), 452e0d8fdecSSara Sharon }; 453e0d8fdecSSara Sharon 454e0d8fdecSSara Sharon /* Please keep this array *SORTED* by hex value. 455e0d8fdecSSara Sharon * Access is done through binary search 456e0d8fdecSSara Sharon */ 457bdccdb85SGolan Ben-Ami static const struct iwl_hcmd_names iwl_mvm_debug_names[] = { 458bdccdb85SGolan Ben-Ami HCMD_NAME(MFU_ASSERT_DUMP_NTF), 459bdccdb85SGolan Ben-Ami }; 460bdccdb85SGolan Ben-Ami 461bdccdb85SGolan Ben-Ami /* Please keep this array *SORTED* by hex value. 462bdccdb85SGolan Ben-Ami * Access is done through binary search 463bdccdb85SGolan Ben-Ami */ 4646c161980SJohannes Berg static const struct iwl_hcmd_names iwl_mvm_location_names[] = { 4656c161980SJohannes Berg HCMD_NAME(TOF_RANGE_REQ_CMD), 4666c161980SJohannes Berg HCMD_NAME(TOF_CONFIG_CMD), 4676c161980SJohannes Berg HCMD_NAME(TOF_RANGE_ABORT_CMD), 4686c161980SJohannes Berg HCMD_NAME(TOF_RANGE_REQ_EXT_CMD), 4696c161980SJohannes Berg HCMD_NAME(TOF_RESPONDER_CONFIG_CMD), 4706c161980SJohannes Berg HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD), 4716c161980SJohannes Berg HCMD_NAME(TOF_LC_NOTIF), 4726c161980SJohannes Berg HCMD_NAME(TOF_RESPONDER_STATS), 4736c161980SJohannes Berg HCMD_NAME(TOF_MCSI_DEBUG_NOTIF), 4746c161980SJohannes Berg HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF), 4756c161980SJohannes Berg }; 4766c161980SJohannes Berg 4776c161980SJohannes Berg /* Please keep this array *SORTED* by hex value. 4786c161980SJohannes Berg * Access is done through binary search 4796c161980SJohannes Berg */ 4800db056d3SSara Sharon static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { 4810db056d3SSara Sharon HCMD_NAME(STORED_BEACON_NTF), 4820db056d3SSara Sharon }; 4830db056d3SSara Sharon 4841f370650SSara Sharon /* Please keep this array *SORTED* by hex value. 4851f370650SSara Sharon * Access is done through binary search 4861f370650SSara Sharon */ 4871f370650SSara Sharon static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { 4881f370650SSara Sharon HCMD_NAME(NVM_ACCESS_COMPLETE), 489e9e1ba3dSSara Sharon HCMD_NAME(NVM_GET_INFO), 4901f370650SSara Sharon }; 4911f370650SSara Sharon 49239bdb17eSSharon Dvir static const struct iwl_hcmd_arr iwl_mvm_groups[] = { 49339bdb17eSSharon Dvir [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 49439bdb17eSSharon Dvir [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 4955b086414SGolan Ben-Ami [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), 49603098268SAviya Erenfeld [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), 49739bdb17eSSharon Dvir [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), 498e0d8fdecSSara Sharon [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), 4996c161980SJohannes Berg [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names), 5000db056d3SSara Sharon [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), 5011f370650SSara Sharon [REGULATORY_AND_NVM_GROUP] = 5021f370650SSara Sharon HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), 50339bdb17eSSharon Dvir }; 50439bdb17eSSharon Dvir 505e705c121SKalle Valo /* this forward declaration can avoid to export the function */ 506e705c121SKalle Valo static void iwl_mvm_async_handlers_wk(struct work_struct *wk); 507a75b9b33SLuca Coelho #ifdef CONFIG_PM 508e705c121SKalle Valo static void iwl_mvm_d0i3_exit_work(struct work_struct *wk); 509a75b9b33SLuca Coelho #endif 510e705c121SKalle Valo 511f2abcfa6SLuca Coelho static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) 512e705c121SKalle Valo { 513f2abcfa6SLuca Coelho const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; 514f2abcfa6SLuca Coelho u64 dflt_pwr_limit; 515e705c121SKalle Valo 516f2abcfa6SLuca Coelho if (!backoff) 517e705c121SKalle Valo return 0; 518e705c121SKalle Valo 519f2abcfa6SLuca Coelho dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev); 520e705c121SKalle Valo 521f2abcfa6SLuca Coelho while (backoff->pwr) { 522f2abcfa6SLuca Coelho if (dflt_pwr_limit >= backoff->pwr) 523f2abcfa6SLuca Coelho return backoff->backoff; 524f2abcfa6SLuca Coelho 525f2abcfa6SLuca Coelho backoff++; 526e705c121SKalle Valo } 527e705c121SKalle Valo 528e705c121SKalle Valo return 0; 529e705c121SKalle Valo } 530e705c121SKalle Valo 531d3a108a4SAndrei Otcheretianski static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) 532d3a108a4SAndrei Otcheretianski { 533d3a108a4SAndrei Otcheretianski struct iwl_mvm *mvm = 534d3a108a4SAndrei Otcheretianski container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); 535d3a108a4SAndrei Otcheretianski struct ieee80211_vif *tx_blocked_vif; 536d3a108a4SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif; 537d3a108a4SAndrei Otcheretianski 538d3a108a4SAndrei Otcheretianski mutex_lock(&mvm->mutex); 539d3a108a4SAndrei Otcheretianski 540d3a108a4SAndrei Otcheretianski tx_blocked_vif = 541d3a108a4SAndrei Otcheretianski rcu_dereference_protected(mvm->csa_tx_blocked_vif, 542d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex)); 543d3a108a4SAndrei Otcheretianski 544d3a108a4SAndrei Otcheretianski if (!tx_blocked_vif) 545d3a108a4SAndrei Otcheretianski goto unlock; 546d3a108a4SAndrei Otcheretianski 547d3a108a4SAndrei Otcheretianski mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); 548d3a108a4SAndrei Otcheretianski iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); 549d3a108a4SAndrei Otcheretianski RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 550d3a108a4SAndrei Otcheretianski unlock: 551d3a108a4SAndrei Otcheretianski mutex_unlock(&mvm->mutex); 552d3a108a4SAndrei Otcheretianski } 553d3a108a4SAndrei Otcheretianski 5547174beb6SJohannes Berg static int iwl_mvm_fwrt_dump_start(void *ctx) 5557174beb6SJohannes Berg { 5567174beb6SJohannes Berg struct iwl_mvm *mvm = ctx; 5577174beb6SJohannes Berg int ret; 5587174beb6SJohannes Berg 5597174beb6SJohannes Berg ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT); 5607174beb6SJohannes Berg if (ret) 5617174beb6SJohannes Berg return ret; 5627174beb6SJohannes Berg 5637174beb6SJohannes Berg mutex_lock(&mvm->mutex); 5647174beb6SJohannes Berg 5657174beb6SJohannes Berg return 0; 5667174beb6SJohannes Berg } 5677174beb6SJohannes Berg 5687174beb6SJohannes Berg static void iwl_mvm_fwrt_dump_end(void *ctx) 5697174beb6SJohannes Berg { 5707174beb6SJohannes Berg struct iwl_mvm *mvm = ctx; 5717174beb6SJohannes Berg 5727174beb6SJohannes Berg mutex_unlock(&mvm->mutex); 5737174beb6SJohannes Berg 5747174beb6SJohannes Berg iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT); 5757174beb6SJohannes Berg } 5767174beb6SJohannes Berg 5778745f12aSShaul Triebitz static bool iwl_mvm_fwrt_fw_running(void *ctx) 5788745f12aSShaul Triebitz { 5798745f12aSShaul Triebitz return iwl_mvm_firmware_running(ctx); 5808745f12aSShaul Triebitz } 5818745f12aSShaul Triebitz 582d3f4b6deSShahar S Matityahu static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) 583d3f4b6deSShahar S Matityahu { 584d3f4b6deSShahar S Matityahu struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; 585d3f4b6deSShahar S Matityahu int ret; 586d3f4b6deSShahar S Matityahu 587d3f4b6deSShahar S Matityahu mutex_lock(&mvm->mutex); 588d3f4b6deSShahar S Matityahu ret = iwl_mvm_send_cmd(mvm, host_cmd); 589d3f4b6deSShahar S Matityahu mutex_unlock(&mvm->mutex); 590d3f4b6deSShahar S Matityahu 591d3f4b6deSShahar S Matityahu return ret; 592d3f4b6deSShahar S Matityahu } 593d3f4b6deSShahar S Matityahu 5947174beb6SJohannes Berg static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { 5957174beb6SJohannes Berg .dump_start = iwl_mvm_fwrt_dump_start, 5967174beb6SJohannes Berg .dump_end = iwl_mvm_fwrt_dump_end, 5978745f12aSShaul Triebitz .fw_running = iwl_mvm_fwrt_fw_running, 598d3f4b6deSShahar S Matityahu .send_hcmd = iwl_mvm_fwrt_send_hcmd, 5997174beb6SJohannes Berg }; 6007174beb6SJohannes Berg 601e705c121SKalle Valo static struct iwl_op_mode * 602e705c121SKalle Valo iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, 603e705c121SKalle Valo const struct iwl_fw *fw, struct dentry *dbgfs_dir) 604e705c121SKalle Valo { 605e705c121SKalle Valo struct ieee80211_hw *hw; 606e705c121SKalle Valo struct iwl_op_mode *op_mode; 607e705c121SKalle Valo struct iwl_mvm *mvm; 608e705c121SKalle Valo struct iwl_trans_config trans_cfg = {}; 609e705c121SKalle Valo static const u8 no_reclaim_cmds[] = { 610e705c121SKalle Valo TX_CMD, 611e705c121SKalle Valo }; 612e705c121SKalle Valo int err, scan_size; 613e705c121SKalle Valo u32 min_backoff; 614034925cbSShaul Triebitz enum iwl_amsdu_size rb_size_default; 615e705c121SKalle Valo 616e705c121SKalle Valo /* 617e705c121SKalle Valo * We use IWL_MVM_STATION_COUNT to check the validity of the station 618e705c121SKalle Valo * index all over the driver - check that its value corresponds to the 619e705c121SKalle Valo * array size. 620e705c121SKalle Valo */ 621e705c121SKalle Valo BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT); 622e705c121SKalle Valo 623e705c121SKalle Valo /******************************** 624e705c121SKalle Valo * 1. Allocating and configuring HW data 625e705c121SKalle Valo ********************************/ 626e705c121SKalle Valo hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + 627e705c121SKalle Valo sizeof(struct iwl_mvm), 628e705c121SKalle Valo &iwl_mvm_hw_ops); 629e705c121SKalle Valo if (!hw) 630e705c121SKalle Valo return NULL; 631e705c121SKalle Valo 632e705c121SKalle Valo if (cfg->max_rx_agg_size) 633e705c121SKalle Valo hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size; 6341eda295fSJohannes Berg else 6351eda295fSJohannes Berg hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 636e705c121SKalle Valo 637e705c121SKalle Valo if (cfg->max_tx_agg_size) 638e705c121SKalle Valo hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; 6391eda295fSJohannes Berg else 6401eda295fSJohannes Berg hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 641e705c121SKalle Valo 642e705c121SKalle Valo op_mode = hw->priv; 643e705c121SKalle Valo 644e705c121SKalle Valo mvm = IWL_OP_MODE_GET_MVM(op_mode); 645e705c121SKalle Valo mvm->dev = trans->dev; 646e705c121SKalle Valo mvm->trans = trans; 647e705c121SKalle Valo mvm->cfg = cfg; 648e705c121SKalle Valo mvm->fw = fw; 649e705c121SKalle Valo mvm->hw = hw; 650e705c121SKalle Valo 65193b167c1SMordechay Goodstein iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, 65293b167c1SMordechay Goodstein dbgfs_dir); 653235acb18SJohannes Berg 654de8ba41bSLiad Kaufman mvm->init_status = 0; 655de8ba41bSLiad Kaufman 656e705c121SKalle Valo if (iwl_mvm_has_new_rx_api(mvm)) { 657e705c121SKalle Valo op_mode->ops = &iwl_mvm_ops_mq; 65818ead597SGolan Ben Ami trans->rx_mpdu_cmd_hdr_size = 65918ead597SGolan Ben Ami (trans->cfg->device_family >= 66018ead597SGolan Ben Ami IWL_DEVICE_FAMILY_22560) ? 66118ead597SGolan Ben Ami sizeof(struct iwl_rx_mpdu_desc) : 66218ead597SGolan Ben Ami IWL_RX_DESC_SIZE_V1; 663e705c121SKalle Valo } else { 664e705c121SKalle Valo op_mode->ops = &iwl_mvm_ops; 66525c2b22cSSara Sharon trans->rx_mpdu_cmd_hdr_size = 66625c2b22cSSara Sharon sizeof(struct iwl_rx_mpdu_res_start); 667e705c121SKalle Valo 668e705c121SKalle Valo if (WARN_ON(trans->num_rx_queues > 1)) 669e705c121SKalle Valo goto out_free; 670e705c121SKalle Valo } 671e705c121SKalle Valo 6723b37f4c9SJohannes Berg mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0; 673e705c121SKalle Valo 67428d0793eSLiad Kaufman mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; 675b13f43a4SEmmanuel Grumbach mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; 67649f71713SSara Sharon mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; 67749f71713SSara Sharon mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; 678c8f54701SJohannes Berg 679e705c121SKalle Valo mvm->sf_state = SF_UNINIT; 6807d6222e2SJohannes Berg if (iwl_mvm_has_unified_ucode(mvm)) 681702e975dSJohannes Berg iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); 6821f370650SSara Sharon else 683702e975dSJohannes Berg iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); 684c89e333dSAndrei Otcheretianski mvm->drop_bcn_ap_mode = true; 685e705c121SKalle Valo 686e705c121SKalle Valo mutex_init(&mvm->mutex); 687e705c121SKalle Valo mutex_init(&mvm->d0i3_suspend_mutex); 688e705c121SKalle Valo spin_lock_init(&mvm->async_handlers_lock); 689e705c121SKalle Valo INIT_LIST_HEAD(&mvm->time_event_list); 690e705c121SKalle Valo INIT_LIST_HEAD(&mvm->aux_roc_te_list); 691e705c121SKalle Valo INIT_LIST_HEAD(&mvm->async_handlers_list); 692e705c121SKalle Valo spin_lock_init(&mvm->time_event_lock); 693e705c121SKalle Valo 694e705c121SKalle Valo INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); 695e705c121SKalle Valo INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); 696a75b9b33SLuca Coelho #ifdef CONFIG_PM 697e705c121SKalle Valo INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work); 698a75b9b33SLuca Coelho #endif 699e705c121SKalle Valo INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); 70069e04642SLuca Coelho INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); 70124afba76SLiad Kaufman INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); 702cfbc6c4cSSara Sharon INIT_LIST_HEAD(&mvm->add_stream_txqs); 703e705c121SKalle Valo 704e705c121SKalle Valo spin_lock_init(&mvm->d0i3_tx_lock); 705e705c121SKalle Valo spin_lock_init(&mvm->refs_lock); 706e705c121SKalle Valo skb_queue_head_init(&mvm->d0i3_tx); 707e705c121SKalle Valo init_waitqueue_head(&mvm->d0i3_exit_waitq); 7083a732c65SSara Sharon init_waitqueue_head(&mvm->rx_sync_waitq); 709e705c121SKalle Valo 7100636b938SSara Sharon atomic_set(&mvm->queue_sync_counter, 0); 7110636b938SSara Sharon 712e705c121SKalle Valo SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); 713e705c121SKalle Valo 7147d9d0d56SLuca Coelho spin_lock_init(&mvm->tcm.lock); 7157d9d0d56SLuca Coelho INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); 7167d9d0d56SLuca Coelho mvm->tcm.ts = jiffies; 7177d9d0d56SLuca Coelho mvm->tcm.ll_ts = jiffies; 7187d9d0d56SLuca Coelho mvm->tcm.uapsd_nonagg_ts = jiffies; 7197d9d0d56SLuca Coelho 720d3a108a4SAndrei Otcheretianski INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); 721d3a108a4SAndrei Otcheretianski 722e705c121SKalle Valo /* 723e705c121SKalle Valo * Populate the state variables that the transport layer needs 724e705c121SKalle Valo * to know about. 725e705c121SKalle Valo */ 726e705c121SKalle Valo trans_cfg.op_mode = op_mode; 727e705c121SKalle Valo trans_cfg.no_reclaim_cmds = no_reclaim_cmds; 728e705c121SKalle Valo trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); 729034925cbSShaul Triebitz 730034925cbSShaul Triebitz if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) 731034925cbSShaul Triebitz rb_size_default = IWL_AMSDU_2K; 732034925cbSShaul Triebitz else 733034925cbSShaul Triebitz rb_size_default = IWL_AMSDU_4K; 734034925cbSShaul Triebitz 7356c4fbcbcSEmmanuel Grumbach switch (iwlwifi_mod_params.amsdu_size) { 7364bdd4dfeSEmmanuel Grumbach case IWL_AMSDU_DEF: 737034925cbSShaul Triebitz trans_cfg.rx_buf_size = rb_size_default; 738034925cbSShaul Triebitz break; 7396c4fbcbcSEmmanuel Grumbach case IWL_AMSDU_4K: 7406c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_4K; 7416c4fbcbcSEmmanuel Grumbach break; 7426c4fbcbcSEmmanuel Grumbach case IWL_AMSDU_8K: 7436c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_8K; 7446c4fbcbcSEmmanuel Grumbach break; 7456c4fbcbcSEmmanuel Grumbach case IWL_AMSDU_12K: 7466c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_12K; 7476c4fbcbcSEmmanuel Grumbach break; 7486c4fbcbcSEmmanuel Grumbach default: 7496c4fbcbcSEmmanuel Grumbach pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME, 7506c4fbcbcSEmmanuel Grumbach iwlwifi_mod_params.amsdu_size); 751034925cbSShaul Triebitz trans_cfg.rx_buf_size = rb_size_default; 7526c4fbcbcSEmmanuel Grumbach } 7534bdd4dfeSEmmanuel Grumbach 754e6aeeb4fSJohannes Berg BUILD_BUG_ON(sizeof(struct iwl_ldbg_config_cmd) != 755e6aeeb4fSJohannes Berg LDBG_CFG_COMMAND_SIZE); 756e6aeeb4fSJohannes Berg 7574b87e5afSLuca Coelho trans->wide_cmd_header = true; 7582a182fbbSGolan Ben Ami trans_cfg.bc_table_dword = 7592a182fbbSGolan Ben Ami mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_22560; 760e705c121SKalle Valo 76139bdb17eSSharon Dvir trans_cfg.command_groups = iwl_mvm_groups; 76239bdb17eSSharon Dvir trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); 763e705c121SKalle Valo 764097129c9SLiad Kaufman trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; 765e705c121SKalle Valo trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; 766e705c121SKalle Valo trans_cfg.scd_set_active = true; 767e705c121SKalle Valo 76821cb3222SJohannes Berg trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, 76921cb3222SJohannes Berg driver_data[2]); 77021cb3222SJohannes Berg 77141837ca9SEmmanuel Grumbach trans_cfg.sw_csum_tx = IWL_MVM_SW_TX_CSUM_OFFLOAD; 772e705c121SKalle Valo 773e705c121SKalle Valo /* Set a short watchdog for the command queue */ 774e705c121SKalle Valo trans_cfg.cmd_q_wdg_timeout = 775e705c121SKalle Valo iwl_mvm_get_wd_timeout(mvm, NULL, false, true); 776e705c121SKalle Valo 777e705c121SKalle Valo snprintf(mvm->hw->wiphy->fw_version, 778e705c121SKalle Valo sizeof(mvm->hw->wiphy->fw_version), 779e705c121SKalle Valo "%s", fw->fw_version); 780e705c121SKalle Valo 781e705c121SKalle Valo /* Configure transport layer */ 782e705c121SKalle Valo iwl_trans_configure(mvm->trans, &trans_cfg); 783e705c121SKalle Valo 784e705c121SKalle Valo trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; 78517b809c9SSara Sharon trans->dbg_dest_tlv = mvm->fw->dbg.dest_tlv; 78617b809c9SSara Sharon trans->dbg_n_dest_reg = mvm->fw->dbg.n_dest_reg; 78717b809c9SSara Sharon memcpy(trans->dbg_conf_tlv, mvm->fw->dbg.conf_tlv, 788e705c121SKalle Valo sizeof(trans->dbg_conf_tlv)); 78917b809c9SSara Sharon trans->dbg_trigger_tlv = mvm->fw->dbg.trigger_tlv; 790e705c121SKalle Valo 791132db31cSGolan Ben-Ami trans->iml = mvm->fw->iml; 792132db31cSGolan Ben-Ami trans->iml_len = mvm->fw->iml_len; 793132db31cSGolan Ben-Ami 794e705c121SKalle Valo /* set up notification wait support */ 795e705c121SKalle Valo iwl_notification_wait_init(&mvm->notif_wait); 796e705c121SKalle Valo 797e705c121SKalle Valo /* Init phy db */ 798e705c121SKalle Valo mvm->phy_db = iwl_phy_db_init(trans); 799e705c121SKalle Valo if (!mvm->phy_db) { 800e705c121SKalle Valo IWL_ERR(mvm, "Cannot init phy_db\n"); 801e705c121SKalle Valo goto out_free; 802e705c121SKalle Valo } 803e705c121SKalle Valo 804e705c121SKalle Valo IWL_INFO(mvm, "Detected %s, REV=0x%X\n", 805e705c121SKalle Valo mvm->cfg->name, mvm->trans->hw_rev); 806e705c121SKalle Valo 807e705c121SKalle Valo if (iwlwifi_mod_params.nvm_file) 808e705c121SKalle Valo mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; 809e705c121SKalle Valo else 810e705c121SKalle Valo IWL_DEBUG_EEPROM(mvm->trans->dev, 811e705c121SKalle Valo "working without external nvm file\n"); 812e705c121SKalle Valo 813e705c121SKalle Valo err = iwl_trans_start_hw(mvm->trans); 814e705c121SKalle Valo if (err) 815e705c121SKalle Valo goto out_free; 816e705c121SKalle Valo 817e705c121SKalle Valo mutex_lock(&mvm->mutex); 81808f0d23dSEliad Peller iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE); 819e705c121SKalle Valo err = iwl_run_init_mvm_ucode(mvm, true); 820f38efdb2SShahar S Matityahu if (test_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &mvm->fwrt.status)) 821f38efdb2SShahar S Matityahu iwl_fw_alive_error_dump(&mvm->fwrt); 822f4744258SLiad Kaufman if (!iwlmvm_mod_params.init_dbg || !err) 823fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 82408f0d23dSEliad Peller iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE); 825e705c121SKalle Valo mutex_unlock(&mvm->mutex); 826de8ba41bSLiad Kaufman if (err < 0) { 827e705c121SKalle Valo IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); 828e705c121SKalle Valo goto out_free; 829e705c121SKalle Valo } 830e705c121SKalle Valo 831e705c121SKalle Valo scan_size = iwl_mvm_scan_size(mvm); 832e705c121SKalle Valo 833e705c121SKalle Valo mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); 834e705c121SKalle Valo if (!mvm->scan_cmd) 835e705c121SKalle Valo goto out_free; 836e705c121SKalle Valo 837e705c121SKalle Valo /* Set EBS as successful as long as not stated otherwise by the FW. */ 838e705c121SKalle Valo mvm->last_ebs_successful = true; 839e705c121SKalle Valo 840e705c121SKalle Valo err = iwl_mvm_mac_setup_register(mvm); 841e705c121SKalle Valo if (err) 842e705c121SKalle Valo goto out_free; 8431f370650SSara Sharon mvm->hw_registered = true; 844e705c121SKalle Valo 845f2abcfa6SLuca Coelho min_backoff = iwl_mvm_min_backoff(mvm); 84604ddc2aaSChaya Rachel Ivgi iwl_mvm_thermal_initialize(mvm, min_backoff); 84704ddc2aaSChaya Rachel Ivgi 848e705c121SKalle Valo err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir); 849e705c121SKalle Valo if (err) 850e705c121SKalle Valo goto out_unregister; 851e705c121SKalle Valo 852678d9b6dSLiad Kaufman if (!iwl_mvm_has_new_rx_stats_api(mvm)) 853678d9b6dSLiad Kaufman memset(&mvm->rx_stats_v3, 0, 854678d9b6dSLiad Kaufman sizeof(struct mvm_statistics_rx_v3)); 855678d9b6dSLiad Kaufman else 856e705c121SKalle Valo memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); 857e705c121SKalle Valo 85833c85eadSLuca Coelho /* The transport always starts with a taken reference, we can 85933c85eadSLuca Coelho * release it now if d0i3 is supported */ 86033c85eadSLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm)) 861a42b2af3SLuca Coelho iwl_trans_unref(mvm->trans); 862e705c121SKalle Valo 863656fca00SAvraham Stern iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); 864656fca00SAvraham Stern 865e705c121SKalle Valo return op_mode; 866e705c121SKalle Valo 867e705c121SKalle Valo out_unregister: 868de8ba41bSLiad Kaufman if (iwlmvm_mod_params.init_dbg) 869de8ba41bSLiad Kaufman return op_mode; 870de8ba41bSLiad Kaufman 871e705c121SKalle Valo ieee80211_unregister_hw(mvm->hw); 8721f370650SSara Sharon mvm->hw_registered = false; 873e705c121SKalle Valo iwl_mvm_leds_exit(mvm); 874c221daf2SChaya Rachel Ivgi iwl_mvm_thermal_exit(mvm); 875e705c121SKalle Valo out_free: 8767174beb6SJohannes Berg iwl_fw_flush_dump(&mvm->fwrt); 87754f3f994SShahar S Matityahu iwl_fw_runtime_free(&mvm->fwrt); 878de8ba41bSLiad Kaufman 879de8ba41bSLiad Kaufman if (iwlmvm_mod_params.init_dbg) 880de8ba41bSLiad Kaufman return op_mode; 881e705c121SKalle Valo iwl_phy_db_free(mvm->phy_db); 882e705c121SKalle Valo kfree(mvm->scan_cmd); 883e705c121SKalle Valo iwl_trans_op_mode_leave(trans); 88456f2929bSSara Sharon 885e705c121SKalle Valo ieee80211_free_hw(mvm->hw); 886e705c121SKalle Valo return NULL; 887e705c121SKalle Valo } 888e705c121SKalle Valo 889e705c121SKalle Valo static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) 890e705c121SKalle Valo { 891e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 892e705c121SKalle Valo int i; 893e705c121SKalle Valo 894e27deb45SLuca Coelho /* If d0i3 is supported, we have released the reference that 895e27deb45SLuca Coelho * the transport started with, so we should take it back now 896e27deb45SLuca Coelho * that we are leaving. 897e27deb45SLuca Coelho */ 898e27deb45SLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm)) 899e27deb45SLuca Coelho iwl_trans_ref(mvm->trans); 900e27deb45SLuca Coelho 901e705c121SKalle Valo iwl_mvm_leds_exit(mvm); 902e705c121SKalle Valo 903c221daf2SChaya Rachel Ivgi iwl_mvm_thermal_exit(mvm); 904e705c121SKalle Valo 905de8ba41bSLiad Kaufman if (mvm->init_status & IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE) { 906e705c121SKalle Valo ieee80211_unregister_hw(mvm->hw); 907de8ba41bSLiad Kaufman mvm->init_status &= ~IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE; 908de8ba41bSLiad Kaufman } 909e705c121SKalle Valo 910e705c121SKalle Valo kfree(mvm->scan_cmd); 911e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 912e705c121SKalle Valo mvm->mcast_filter_cmd = NULL; 913e705c121SKalle Valo 914e705c121SKalle Valo #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS) 915e705c121SKalle Valo kfree(mvm->d3_resume_sram); 916e705c121SKalle Valo #endif 917e705c121SKalle Valo iwl_trans_op_mode_leave(mvm->trans); 918e705c121SKalle Valo 919e705c121SKalle Valo iwl_phy_db_free(mvm->phy_db); 920e705c121SKalle Valo mvm->phy_db = NULL; 921e705c121SKalle Valo 9221dad3e0aSLuca Coelho kfree(mvm->nvm_data); 923e705c121SKalle Valo for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) 924e705c121SKalle Valo kfree(mvm->nvm_sections[i].data); 925e705c121SKalle Valo 9267d9d0d56SLuca Coelho cancel_delayed_work_sync(&mvm->tcm.work); 9277d9d0d56SLuca Coelho 92854f3f994SShahar S Matityahu iwl_fw_runtime_free(&mvm->fwrt); 929a2a57a35SEmmanuel Grumbach mutex_destroy(&mvm->mutex); 930a2a57a35SEmmanuel Grumbach mutex_destroy(&mvm->d0i3_suspend_mutex); 931a2a57a35SEmmanuel Grumbach 932e705c121SKalle Valo ieee80211_free_hw(mvm->hw); 933e705c121SKalle Valo } 934e705c121SKalle Valo 935e705c121SKalle Valo struct iwl_async_handler_entry { 936e705c121SKalle Valo struct list_head list; 937e705c121SKalle Valo struct iwl_rx_cmd_buffer rxb; 938c9cb14a6SChaya Rachel Ivgi enum iwl_rx_handler_context context; 939e705c121SKalle Valo void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 940e705c121SKalle Valo }; 941e705c121SKalle Valo 942e705c121SKalle Valo void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) 943e705c121SKalle Valo { 944e705c121SKalle Valo struct iwl_async_handler_entry *entry, *tmp; 945e705c121SKalle Valo 946e705c121SKalle Valo spin_lock_bh(&mvm->async_handlers_lock); 947e705c121SKalle Valo list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 948e705c121SKalle Valo iwl_free_rxb(&entry->rxb); 949e705c121SKalle Valo list_del(&entry->list); 950e705c121SKalle Valo kfree(entry); 951e705c121SKalle Valo } 952e705c121SKalle Valo spin_unlock_bh(&mvm->async_handlers_lock); 953e705c121SKalle Valo } 954e705c121SKalle Valo 955e705c121SKalle Valo static void iwl_mvm_async_handlers_wk(struct work_struct *wk) 956e705c121SKalle Valo { 957e705c121SKalle Valo struct iwl_mvm *mvm = 958e705c121SKalle Valo container_of(wk, struct iwl_mvm, async_handlers_wk); 959e705c121SKalle Valo struct iwl_async_handler_entry *entry, *tmp; 9608098203fSJohannes Berg LIST_HEAD(local_list); 961e705c121SKalle Valo 962e705c121SKalle Valo /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */ 963e705c121SKalle Valo 964e705c121SKalle Valo /* 965e705c121SKalle Valo * Sync with Rx path with a lock. Remove all the entries from this list, 966e705c121SKalle Valo * add them to a local one (lock free), and then handle them. 967e705c121SKalle Valo */ 968e705c121SKalle Valo spin_lock_bh(&mvm->async_handlers_lock); 969e705c121SKalle Valo list_splice_init(&mvm->async_handlers_list, &local_list); 970e705c121SKalle Valo spin_unlock_bh(&mvm->async_handlers_lock); 971e705c121SKalle Valo 972e705c121SKalle Valo list_for_each_entry_safe(entry, tmp, &local_list, list) { 973c9cb14a6SChaya Rachel Ivgi if (entry->context == RX_HANDLER_ASYNC_LOCKED) 974c9cb14a6SChaya Rachel Ivgi mutex_lock(&mvm->mutex); 975e705c121SKalle Valo entry->fn(mvm, &entry->rxb); 976e705c121SKalle Valo iwl_free_rxb(&entry->rxb); 977e705c121SKalle Valo list_del(&entry->list); 978c9cb14a6SChaya Rachel Ivgi if (entry->context == RX_HANDLER_ASYNC_LOCKED) 979c9cb14a6SChaya Rachel Ivgi mutex_unlock(&mvm->mutex); 980e705c121SKalle Valo kfree(entry); 981e705c121SKalle Valo } 982e705c121SKalle Valo } 983e705c121SKalle Valo 984e705c121SKalle Valo static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, 985e705c121SKalle Valo struct iwl_rx_packet *pkt) 986e705c121SKalle Valo { 987e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 988e705c121SKalle Valo struct iwl_fw_dbg_trigger_cmd *cmds_trig; 989e705c121SKalle Valo int i; 990e705c121SKalle Valo 9916c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, 9926c042d75SSara Sharon FW_DBG_TRIGGER_FW_NOTIF); 9936c042d75SSara Sharon if (!trig) 994e705c121SKalle Valo return; 995e705c121SKalle Valo 996e705c121SKalle Valo cmds_trig = (void *)trig->data; 997e705c121SKalle Valo 998e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { 999e705c121SKalle Valo /* don't collect on CMD 0 */ 1000e705c121SKalle Valo if (!cmds_trig->cmds[i].cmd_id) 1001e705c121SKalle Valo break; 1002e705c121SKalle Valo 1003e705c121SKalle Valo if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || 1004e705c121SKalle Valo cmds_trig->cmds[i].group_id != pkt->hdr.group_id) 1005e705c121SKalle Valo continue; 1006e705c121SKalle Valo 10077174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 1008e705c121SKalle Valo "CMD 0x%02x.%02x received", 1009e705c121SKalle Valo pkt->hdr.group_id, pkt->hdr.cmd); 1010e705c121SKalle Valo break; 1011e705c121SKalle Valo } 1012e705c121SKalle Valo } 1013e705c121SKalle Valo 1014e705c121SKalle Valo static void iwl_mvm_rx_common(struct iwl_mvm *mvm, 1015e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb, 1016e705c121SKalle Valo struct iwl_rx_packet *pkt) 1017e705c121SKalle Valo { 1018e705c121SKalle Valo int i; 1019e705c121SKalle Valo 1020e705c121SKalle Valo iwl_mvm_rx_check_trigger(mvm, pkt); 1021e705c121SKalle Valo 1022e705c121SKalle Valo /* 1023e705c121SKalle Valo * Do the notification wait before RX handlers so 1024e705c121SKalle Valo * even if the RX handler consumes the RXB we have 1025e705c121SKalle Valo * access to it in the notification wait entry. 1026e705c121SKalle Valo */ 1027e705c121SKalle Valo iwl_notification_wait_notify(&mvm->notif_wait, pkt); 1028e705c121SKalle Valo 1029e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { 1030e705c121SKalle Valo const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; 1031e705c121SKalle Valo struct iwl_async_handler_entry *entry; 1032e705c121SKalle Valo 1033e705c121SKalle Valo if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) 1034e705c121SKalle Valo continue; 1035e705c121SKalle Valo 1036c9cb14a6SChaya Rachel Ivgi if (rx_h->context == RX_HANDLER_SYNC) { 1037e705c121SKalle Valo rx_h->fn(mvm, rxb); 1038e705c121SKalle Valo return; 1039e705c121SKalle Valo } 1040e705c121SKalle Valo 1041e705c121SKalle Valo entry = kzalloc(sizeof(*entry), GFP_ATOMIC); 1042e705c121SKalle Valo /* we can't do much... */ 1043e705c121SKalle Valo if (!entry) 1044e705c121SKalle Valo return; 1045e705c121SKalle Valo 1046e705c121SKalle Valo entry->rxb._page = rxb_steal_page(rxb); 1047e705c121SKalle Valo entry->rxb._offset = rxb->_offset; 1048e705c121SKalle Valo entry->rxb._rx_page_order = rxb->_rx_page_order; 1049e705c121SKalle Valo entry->fn = rx_h->fn; 1050c9cb14a6SChaya Rachel Ivgi entry->context = rx_h->context; 1051e705c121SKalle Valo spin_lock(&mvm->async_handlers_lock); 1052e705c121SKalle Valo list_add_tail(&entry->list, &mvm->async_handlers_list); 1053e705c121SKalle Valo spin_unlock(&mvm->async_handlers_lock); 1054e705c121SKalle Valo schedule_work(&mvm->async_handlers_wk); 105507fb3299SSara Sharon break; 1056e705c121SKalle Valo } 1057e705c121SKalle Valo } 1058e705c121SKalle Valo 1059e705c121SKalle Valo static void iwl_mvm_rx(struct iwl_op_mode *op_mode, 1060e705c121SKalle Valo struct napi_struct *napi, 1061e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb) 1062e705c121SKalle Valo { 1063e705c121SKalle Valo struct iwl_rx_packet *pkt = rxb_addr(rxb); 1064e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 106561b0f5d7SJohannes Berg u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1066e705c121SKalle Valo 106761b0f5d7SJohannes Berg if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1068e705c121SKalle Valo iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 106961b0f5d7SJohannes Berg else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) 1070e705c121SKalle Valo iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 1071e705c121SKalle Valo else 1072e705c121SKalle Valo iwl_mvm_rx_common(mvm, rxb, pkt); 1073e705c121SKalle Valo } 1074e705c121SKalle Valo 1075e705c121SKalle Valo static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, 1076e705c121SKalle Valo struct napi_struct *napi, 1077e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb) 1078e705c121SKalle Valo { 1079e705c121SKalle Valo struct iwl_rx_packet *pkt = rxb_addr(rxb); 1080e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 108161b0f5d7SJohannes Berg u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1082e705c121SKalle Valo 108361b0f5d7SJohannes Berg if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1084780e87c2SJohannes Berg iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); 108561b0f5d7SJohannes Berg else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 108661b0f5d7SJohannes Berg RX_QUEUES_NOTIFICATION))) 108794bb4481SSara Sharon iwl_mvm_rx_queue_notif(mvm, rxb, 0); 108861b0f5d7SJohannes Berg else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) 108958035432SJohannes Berg iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); 1090bf9dfedaSShaul Triebitz else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) 1091bf9dfedaSShaul Triebitz iwl_mvm_rx_monitor_ndp(mvm, napi, rxb, 0); 1092e705c121SKalle Valo else 1093e705c121SKalle Valo iwl_mvm_rx_common(mvm, rxb, pkt); 1094e705c121SKalle Valo } 1095e705c121SKalle Valo 1096156f92f2SEmmanuel Grumbach static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode, 1097156f92f2SEmmanuel Grumbach const struct iwl_device_cmd *cmd) 1098156f92f2SEmmanuel Grumbach { 1099156f92f2SEmmanuel Grumbach struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1100156f92f2SEmmanuel Grumbach 1101156f92f2SEmmanuel Grumbach /* 1102156f92f2SEmmanuel Grumbach * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA 1103156f92f2SEmmanuel Grumbach * commands that need to block the Tx queues. 1104156f92f2SEmmanuel Grumbach */ 1105156f92f2SEmmanuel Grumbach iwl_trans_block_txq_ptrs(mvm->trans, false); 1106156f92f2SEmmanuel Grumbach } 1107156f92f2SEmmanuel Grumbach 1108cfbc6c4cSSara Sharon static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, 1109cfbc6c4cSSara Sharon int hw_queue, bool start) 1110e705c121SKalle Valo { 1111e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1112cfbc6c4cSSara Sharon struct ieee80211_sta *sta; 1113cfbc6c4cSSara Sharon struct ieee80211_txq *txq; 1114cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq; 1115cfbc6c4cSSara Sharon int i; 1116cfbc6c4cSSara Sharon unsigned long tid_bitmap; 1117cfbc6c4cSSara Sharon struct iwl_mvm_sta *mvmsta; 1118cfbc6c4cSSara Sharon u8 sta_id; 1119e705c121SKalle Valo 1120cfbc6c4cSSara Sharon sta_id = iwl_mvm_has_new_tx_api(mvm) ? 1121cfbc6c4cSSara Sharon mvm->tvqm_info[hw_queue].sta_id : 1122cfbc6c4cSSara Sharon mvm->queue_info[hw_queue].ra_sta_id; 1123b4f7a9d1SLiad Kaufman 1124cfbc6c4cSSara Sharon if (WARN_ON_ONCE(sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) 1125e705c121SKalle Valo return; 1126e705c121SKalle Valo 1127cfbc6c4cSSara Sharon rcu_read_lock(); 1128cfbc6c4cSSara Sharon 1129cfbc6c4cSSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1130cfbc6c4cSSara Sharon if (IS_ERR_OR_NULL(sta)) 1131cfbc6c4cSSara Sharon goto out; 1132cfbc6c4cSSara Sharon mvmsta = iwl_mvm_sta_from_mac80211(sta); 1133cfbc6c4cSSara Sharon 1134cfbc6c4cSSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) { 1135cfbc6c4cSSara Sharon int tid = mvm->tvqm_info[hw_queue].txq_tid; 1136cfbc6c4cSSara Sharon 1137cfbc6c4cSSara Sharon tid_bitmap = BIT(tid); 1138cfbc6c4cSSara Sharon } else { 1139cfbc6c4cSSara Sharon tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap; 1140e705c121SKalle Valo } 1141e705c121SKalle Valo 1142cfbc6c4cSSara Sharon for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { 1143cfbc6c4cSSara Sharon int tid = i; 1144cfbc6c4cSSara Sharon 1145cfbc6c4cSSara Sharon if (tid == IWL_MAX_TID_COUNT) 1146cfbc6c4cSSara Sharon tid = IEEE80211_NUM_TIDS; 1147cfbc6c4cSSara Sharon 1148cfbc6c4cSSara Sharon txq = sta->txq[tid]; 1149cfbc6c4cSSara Sharon mvmtxq = iwl_mvm_txq_from_mac80211(txq); 1150cfbc6c4cSSara Sharon mvmtxq->stopped = !start; 1151cfbc6c4cSSara Sharon 1152cfbc6c4cSSara Sharon if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) 1153cfbc6c4cSSara Sharon iwl_mvm_mac_itxq_xmit(mvm->hw, txq); 1154e705c121SKalle Valo } 1155cfbc6c4cSSara Sharon 1156cfbc6c4cSSara Sharon out: 1157cfbc6c4cSSara Sharon rcu_read_unlock(); 1158cfbc6c4cSSara Sharon } 1159cfbc6c4cSSara Sharon 1160cfbc6c4cSSara Sharon static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1161cfbc6c4cSSara Sharon { 1162cfbc6c4cSSara Sharon iwl_mvm_queue_state_change(op_mode, hw_queue, false); 1163e705c121SKalle Valo } 1164e705c121SKalle Valo 1165b4f7a9d1SLiad Kaufman static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1166b4f7a9d1SLiad Kaufman { 1167cfbc6c4cSSara Sharon iwl_mvm_queue_state_change(op_mode, hw_queue, true); 1168b4f7a9d1SLiad Kaufman } 1169b4f7a9d1SLiad Kaufman 11706ad04359SJohannes Berg static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) 11716ad04359SJohannes Berg { 11726ad04359SJohannes Berg bool state = iwl_mvm_is_radio_killed(mvm); 11736ad04359SJohannes Berg 11746ad04359SJohannes Berg if (state) 11756ad04359SJohannes Berg wake_up(&mvm->rx_sync_waitq); 11766ad04359SJohannes Berg 11776ad04359SJohannes Berg wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state); 11786ad04359SJohannes Berg } 11796ad04359SJohannes Berg 1180e705c121SKalle Valo void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) 1181e705c121SKalle Valo { 1182e705c121SKalle Valo if (state) 1183e705c121SKalle Valo set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1184e705c121SKalle Valo else 1185e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1186e705c121SKalle Valo 11876ad04359SJohannes Berg iwl_mvm_set_rfkill_state(mvm); 1188e705c121SKalle Valo } 1189e705c121SKalle Valo 1190e705c121SKalle Valo static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) 1191e705c121SKalle Valo { 1192e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 11936aa7de05SMark Rutland bool calibrating = READ_ONCE(mvm->calibrating); 1194e705c121SKalle Valo 1195e705c121SKalle Valo if (state) 1196e705c121SKalle Valo set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1197e705c121SKalle Valo else 1198e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1199e705c121SKalle Valo 12006ad04359SJohannes Berg iwl_mvm_set_rfkill_state(mvm); 1201e705c121SKalle Valo 1202e705c121SKalle Valo /* iwl_run_init_mvm_ucode is waiting for results, abort it */ 1203e705c121SKalle Valo if (calibrating) 1204e705c121SKalle Valo iwl_abort_notification_waits(&mvm->notif_wait); 1205e705c121SKalle Valo 1206e705c121SKalle Valo /* 1207e705c121SKalle Valo * Stop the device if we run OPERATIONAL firmware or if we are in the 1208e705c121SKalle Valo * middle of the calibrations. 1209e705c121SKalle Valo */ 1210702e975dSJohannes Berg return state && (mvm->fwrt.cur_fw_img != IWL_UCODE_INIT || calibrating); 1211e705c121SKalle Valo } 1212e705c121SKalle Valo 1213e705c121SKalle Valo static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) 1214e705c121SKalle Valo { 1215e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1216e705c121SKalle Valo struct ieee80211_tx_info *info; 1217e705c121SKalle Valo 1218e705c121SKalle Valo info = IEEE80211_SKB_CB(skb); 1219e705c121SKalle Valo iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 1220e705c121SKalle Valo ieee80211_free_txskb(mvm->hw, skb); 1221e705c121SKalle Valo } 1222e705c121SKalle Valo 1223e705c121SKalle Valo struct iwl_mvm_reprobe { 1224e705c121SKalle Valo struct device *dev; 1225e705c121SKalle Valo struct work_struct work; 1226e705c121SKalle Valo }; 1227e705c121SKalle Valo 1228e705c121SKalle Valo static void iwl_mvm_reprobe_wk(struct work_struct *wk) 1229e705c121SKalle Valo { 1230e705c121SKalle Valo struct iwl_mvm_reprobe *reprobe; 1231e705c121SKalle Valo 1232e705c121SKalle Valo reprobe = container_of(wk, struct iwl_mvm_reprobe, work); 1233e705c121SKalle Valo if (device_reprobe(reprobe->dev)) 1234e705c121SKalle Valo dev_err(reprobe->dev, "reprobe failed!\n"); 1235e705c121SKalle Valo kfree(reprobe); 1236e705c121SKalle Valo module_put(THIS_MODULE); 1237e705c121SKalle Valo } 1238e705c121SKalle Valo 1239e705c121SKalle Valo void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) 1240e705c121SKalle Valo { 1241e705c121SKalle Valo iwl_abort_notification_waits(&mvm->notif_wait); 1242e705c121SKalle Valo 1243e705c121SKalle Valo /* 1244e705c121SKalle Valo * This is a bit racy, but worst case we tell mac80211 about 1245e705c121SKalle Valo * a stopped/aborted scan when that was already done which 1246e705c121SKalle Valo * is not a problem. It is necessary to abort any os scan 1247e705c121SKalle Valo * here because mac80211 requires having the scan cleared 1248e705c121SKalle Valo * before restarting. 1249e705c121SKalle Valo * We'll reset the scan_status to NONE in restart cleanup in 1250e705c121SKalle Valo * the next start() call from mac80211. If restart isn't called 1251e705c121SKalle Valo * (no fw restart) scan status will stay busy. 1252e705c121SKalle Valo */ 1253e705c121SKalle Valo iwl_mvm_report_scan_aborted(mvm); 1254e705c121SKalle Valo 1255e705c121SKalle Valo /* 1256e705c121SKalle Valo * If we're restarting already, don't cycle restarts. 1257e705c121SKalle Valo * If INIT fw asserted, it will likely fail again. 1258e705c121SKalle Valo * If WoWLAN fw asserted, don't restart either, mac80211 1259e705c121SKalle Valo * can't recover this since we're already half suspended. 1260e705c121SKalle Valo */ 12613b37f4c9SJohannes Berg if (!mvm->fw_restart && fw_error) { 12627174beb6SJohannes Berg iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, 1263124e0ebaSSara Sharon false, 0); 1264bf8b286fSJohannes Berg } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1265e705c121SKalle Valo struct iwl_mvm_reprobe *reprobe; 1266e705c121SKalle Valo 1267e705c121SKalle Valo IWL_ERR(mvm, 1268e705c121SKalle Valo "Firmware error during reconfiguration - reprobe!\n"); 1269e705c121SKalle Valo 1270e705c121SKalle Valo /* 1271e705c121SKalle Valo * get a module reference to avoid doing this while unloading 1272e705c121SKalle Valo * anyway and to avoid scheduling a work with code that's 1273e705c121SKalle Valo * being removed. 1274e705c121SKalle Valo */ 1275e705c121SKalle Valo if (!try_module_get(THIS_MODULE)) { 1276e705c121SKalle Valo IWL_ERR(mvm, "Module is being unloaded - abort\n"); 1277e705c121SKalle Valo return; 1278e705c121SKalle Valo } 1279e705c121SKalle Valo 1280e705c121SKalle Valo reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC); 1281e705c121SKalle Valo if (!reprobe) { 1282e705c121SKalle Valo module_put(THIS_MODULE); 1283e705c121SKalle Valo return; 1284e705c121SKalle Valo } 1285e705c121SKalle Valo reprobe->dev = mvm->trans->dev; 1286e705c121SKalle Valo INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); 1287e705c121SKalle Valo schedule_work(&reprobe->work); 1288702e975dSJohannes Berg } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && 1289f60c9e59SEmmanuel Grumbach mvm->hw_registered && 1290f60c9e59SEmmanuel Grumbach !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { 1291e705c121SKalle Valo /* don't let the transport/FW power down */ 1292e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); 1293e705c121SKalle Valo 12943b37f4c9SJohannes Berg if (fw_error && mvm->fw_restart > 0) 12953b37f4c9SJohannes Berg mvm->fw_restart--; 1296bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1297e705c121SKalle Valo ieee80211_restart_hw(mvm->hw); 1298e705c121SKalle Valo } 1299e705c121SKalle Valo } 1300e705c121SKalle Valo 1301e705c121SKalle Valo static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode) 1302e705c121SKalle Valo { 1303e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1304e705c121SKalle Valo 1305f60c9e59SEmmanuel Grumbach if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) 1306e705c121SKalle Valo iwl_mvm_dump_nic_error_log(mvm); 1307e705c121SKalle Valo 1308e705c121SKalle Valo iwl_mvm_nic_restart(mvm, true); 1309e705c121SKalle Valo } 1310e705c121SKalle Valo 1311e705c121SKalle Valo static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) 1312e705c121SKalle Valo { 1313e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1314e705c121SKalle Valo 1315e705c121SKalle Valo WARN_ON(1); 1316e705c121SKalle Valo iwl_mvm_nic_restart(mvm, true); 1317e705c121SKalle Valo } 1318e705c121SKalle Valo 1319a75b9b33SLuca Coelho #ifdef CONFIG_PM 1320e705c121SKalle Valo struct iwl_d0i3_iter_data { 1321e705c121SKalle Valo struct iwl_mvm *mvm; 1322a3f7ba5cSEliad Peller struct ieee80211_vif *connected_vif; 1323e705c121SKalle Valo u8 ap_sta_id; 1324e705c121SKalle Valo u8 vif_count; 1325e705c121SKalle Valo u8 offloading_tid; 1326e705c121SKalle Valo bool disable_offloading; 1327e705c121SKalle Valo }; 1328e705c121SKalle Valo 1329e705c121SKalle Valo static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm, 1330e705c121SKalle Valo struct ieee80211_vif *vif, 1331e705c121SKalle Valo struct iwl_d0i3_iter_data *iter_data) 1332e705c121SKalle Valo { 1333e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1334e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 1335e705c121SKalle Valo u32 available_tids = 0; 1336e705c121SKalle Valo u8 tid; 1337e705c121SKalle Valo 1338e705c121SKalle Valo if (WARN_ON(vif->type != NL80211_IFTYPE_STATION || 13390ae98812SSara Sharon mvmvif->ap_sta_id == IWL_MVM_INVALID_STA)) 1340e705c121SKalle Valo return false; 1341e705c121SKalle Valo 134213303c0fSSara Sharon mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, mvmvif->ap_sta_id); 134313303c0fSSara Sharon if (!mvmsta) 1344e705c121SKalle Valo return false; 1345e705c121SKalle Valo 1346e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 1347e705c121SKalle Valo for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 1348e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 1349e705c121SKalle Valo 1350e705c121SKalle Valo /* 1351e705c121SKalle Valo * in case of pending tx packets, don't use this tid 1352e705c121SKalle Valo * for offloading in order to prevent reuse of the same 1353e705c121SKalle Valo * qos seq counters. 1354e705c121SKalle Valo */ 1355dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data)) 1356e705c121SKalle Valo continue; 1357e705c121SKalle Valo 1358e705c121SKalle Valo if (tid_data->state != IWL_AGG_OFF) 1359e705c121SKalle Valo continue; 1360e705c121SKalle Valo 1361e705c121SKalle Valo available_tids |= BIT(tid); 1362e705c121SKalle Valo } 1363e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 1364e705c121SKalle Valo 1365e705c121SKalle Valo /* 1366e705c121SKalle Valo * disallow protocol offloading if we have no available tid 1367e705c121SKalle Valo * (with no pending frames and no active aggregation, 1368e705c121SKalle Valo * as we don't handle "holes" properly - the scheduler needs the 1369e705c121SKalle Valo * frame's seq number and TFD index to match) 1370e705c121SKalle Valo */ 1371e705c121SKalle Valo if (!available_tids) 1372e705c121SKalle Valo return true; 1373e705c121SKalle Valo 1374e705c121SKalle Valo /* for simplicity, just use the first available tid */ 1375e705c121SKalle Valo iter_data->offloading_tid = ffs(available_tids) - 1; 1376e705c121SKalle Valo return false; 1377e705c121SKalle Valo } 1378e705c121SKalle Valo 1379e705c121SKalle Valo static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac, 1380e705c121SKalle Valo struct ieee80211_vif *vif) 1381e705c121SKalle Valo { 1382e705c121SKalle Valo struct iwl_d0i3_iter_data *data = _data; 1383e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1384e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1385e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; 1386e705c121SKalle Valo 1387e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr); 1388e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1389e705c121SKalle Valo !vif->bss_conf.assoc) 1390e705c121SKalle Valo return; 1391e705c121SKalle Valo 1392e705c121SKalle Valo /* 1393e705c121SKalle Valo * in case of pending tx packets or active aggregations, 1394e705c121SKalle Valo * avoid offloading features in order to prevent reuse of 1395e705c121SKalle Valo * the same qos seq counters. 1396e705c121SKalle Valo */ 1397e705c121SKalle Valo if (iwl_mvm_disallow_offloading(mvm, vif, data)) 1398e705c121SKalle Valo data->disable_offloading = true; 1399e705c121SKalle Valo 1400e705c121SKalle Valo iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags); 1401c97dab40SSara Sharon iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, 1402c97dab40SSara Sharon false, flags); 1403e705c121SKalle Valo 1404e705c121SKalle Valo /* 1405e705c121SKalle Valo * on init/association, mvm already configures POWER_TABLE_CMD 1406e705c121SKalle Valo * and REPLY_MCAST_FILTER_CMD, so currently don't 1407e705c121SKalle Valo * reconfigure them (we might want to use different 1408e705c121SKalle Valo * params later on, though). 1409e705c121SKalle Valo */ 1410e705c121SKalle Valo data->ap_sta_id = mvmvif->ap_sta_id; 1411e705c121SKalle Valo data->vif_count++; 1412a3f7ba5cSEliad Peller 1413a3f7ba5cSEliad Peller /* 1414a3f7ba5cSEliad Peller * no new commands can be sent at this stage, so it's safe 1415a3f7ba5cSEliad Peller * to save the vif pointer during d0i3 entrance. 1416a3f7ba5cSEliad Peller */ 1417a3f7ba5cSEliad Peller data->connected_vif = vif; 1418e705c121SKalle Valo } 1419e705c121SKalle Valo 1420e705c121SKalle Valo static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm, 1421e705c121SKalle Valo struct iwl_wowlan_config_cmd *cmd, 1422e705c121SKalle Valo struct iwl_d0i3_iter_data *iter_data) 1423e705c121SKalle Valo { 1424e705c121SKalle Valo struct ieee80211_sta *ap_sta; 1425e705c121SKalle Valo struct iwl_mvm_sta *mvm_ap_sta; 1426e705c121SKalle Valo 14270ae98812SSara Sharon if (iter_data->ap_sta_id == IWL_MVM_INVALID_STA) 1428e705c121SKalle Valo return; 1429e705c121SKalle Valo 1430e705c121SKalle Valo rcu_read_lock(); 1431e705c121SKalle Valo 1432e705c121SKalle Valo ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]); 1433e705c121SKalle Valo if (IS_ERR_OR_NULL(ap_sta)) 1434e705c121SKalle Valo goto out; 1435e705c121SKalle Valo 1436e705c121SKalle Valo mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta); 1437e705c121SKalle Valo cmd->is_11n_connection = ap_sta->ht_cap.ht_supported; 1438e705c121SKalle Valo cmd->offloading_tid = iter_data->offloading_tid; 143970b4c536SSara Sharon cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING | 14400db056d3SSara Sharon ENABLE_DHCP_FILTERING | ENABLE_STORE_BEACON; 1441e705c121SKalle Valo /* 1442e705c121SKalle Valo * The d0i3 uCode takes care of the nonqos counters, 1443e705c121SKalle Valo * so configure only the qos seq ones. 1444e705c121SKalle Valo */ 1445e705c121SKalle Valo iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, cmd); 1446e705c121SKalle Valo out: 1447e705c121SKalle Valo rcu_read_unlock(); 1448e705c121SKalle Valo } 1449e705c121SKalle Valo 1450e705c121SKalle Valo int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) 1451e705c121SKalle Valo { 1452e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1453e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; 1454e705c121SKalle Valo int ret; 1455e705c121SKalle Valo struct iwl_d0i3_iter_data d0i3_iter_data = { 1456e705c121SKalle Valo .mvm = mvm, 1457e705c121SKalle Valo }; 1458e705c121SKalle Valo struct iwl_wowlan_config_cmd wowlan_config_cmd = { 1459e705c121SKalle Valo .wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME | 1460e705c121SKalle Valo IWL_WOWLAN_WAKEUP_BEACON_MISS | 14610db056d3SSara Sharon IWL_WOWLAN_WAKEUP_LINK_CHANGE), 1462e705c121SKalle Valo }; 1463e705c121SKalle Valo struct iwl_d3_manager_config d3_cfg_cmd = { 1464e705c121SKalle Valo .min_sleep_time = cpu_to_le32(1000), 1465e705c121SKalle Valo .wakeup_flags = cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR), 1466e705c121SKalle Valo }; 1467e705c121SKalle Valo 1468e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n"); 1469e705c121SKalle Valo 1470702e975dSJohannes Berg if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)) 147108f0d23dSEliad Peller return -EINVAL; 147208f0d23dSEliad Peller 1473e705c121SKalle Valo set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1474e705c121SKalle Valo 1475e705c121SKalle Valo /* 1476e705c121SKalle Valo * iwl_mvm_ref_sync takes a reference before checking the flag. 1477e705c121SKalle Valo * so by checking there is no held reference we prevent a state 1478e705c121SKalle Valo * in which iwl_mvm_ref_sync continues successfully while we 1479e705c121SKalle Valo * configure the firmware to enter d0i3 1480e705c121SKalle Valo */ 1481e705c121SKalle Valo if (iwl_mvm_ref_taken(mvm)) { 1482e705c121SKalle Valo IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n"); 1483e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1484e705c121SKalle Valo wake_up(&mvm->d0i3_exit_waitq); 1485e705c121SKalle Valo return 1; 1486e705c121SKalle Valo } 1487e705c121SKalle Valo 1488e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic(mvm->hw, 1489e705c121SKalle Valo IEEE80211_IFACE_ITER_NORMAL, 1490e705c121SKalle Valo iwl_mvm_enter_d0i3_iterator, 1491e705c121SKalle Valo &d0i3_iter_data); 1492e705c121SKalle Valo if (d0i3_iter_data.vif_count == 1) { 1493e705c121SKalle Valo mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id; 1494e705c121SKalle Valo mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading; 1495e705c121SKalle Valo } else { 1496e705c121SKalle Valo WARN_ON_ONCE(d0i3_iter_data.vif_count > 1); 14970ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1498e705c121SKalle Valo mvm->d0i3_offloading = false; 1499e705c121SKalle Valo } 1500e705c121SKalle Valo 15017d9d0d56SLuca Coelho iwl_mvm_pause_tcm(mvm, true); 1502e705c121SKalle Valo /* make sure we have no running tx while configuring the seqno */ 1503e705c121SKalle Valo synchronize_net(); 1504e705c121SKalle Valo 1505eb3908d3SLuca Coelho /* Flush the hw queues, in case something got queued during entry */ 1506d167e81aSMordechai Goodstein /* TODO new tx api */ 1507d167e81aSMordechai Goodstein if (iwl_mvm_has_new_tx_api(mvm)) { 1508d167e81aSMordechai Goodstein WARN_ONCE(1, "d0i3: Need to implement flush TX queue\n"); 1509d167e81aSMordechai Goodstein } else { 1510d167e81aSMordechai Goodstein ret = iwl_mvm_flush_tx_path(mvm, iwl_mvm_flushable_queues(mvm), 1511d167e81aSMordechai Goodstein flags); 1512eb3908d3SLuca Coelho if (ret) 1513eb3908d3SLuca Coelho return ret; 1514d167e81aSMordechai Goodstein } 1515eb3908d3SLuca Coelho 1516e705c121SKalle Valo /* configure wowlan configuration only if needed */ 15170ae98812SSara Sharon if (mvm->d0i3_ap_sta_id != IWL_MVM_INVALID_STA) { 15180db056d3SSara Sharon /* wake on beacons only if beacon storing isn't supported */ 15190db056d3SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 15200db056d3SSara Sharon IWL_UCODE_TLV_CAPA_BEACON_STORING)) 15210db056d3SSara Sharon wowlan_config_cmd.wakeup_filter |= 15220db056d3SSara Sharon cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING); 15230db056d3SSara Sharon 1524a3f7ba5cSEliad Peller iwl_mvm_wowlan_config_key_params(mvm, 1525a3f7ba5cSEliad Peller d0i3_iter_data.connected_vif, 1526a3f7ba5cSEliad Peller true, flags); 1527a3f7ba5cSEliad Peller 1528e705c121SKalle Valo iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, 1529e705c121SKalle Valo &d0i3_iter_data); 1530e705c121SKalle Valo 1531e705c121SKalle Valo ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags, 1532e705c121SKalle Valo sizeof(wowlan_config_cmd), 1533e705c121SKalle Valo &wowlan_config_cmd); 1534e705c121SKalle Valo if (ret) 1535e705c121SKalle Valo return ret; 1536e705c121SKalle Valo } 1537e705c121SKalle Valo 1538e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, 1539e705c121SKalle Valo flags | CMD_MAKE_TRANS_IDLE, 1540e705c121SKalle Valo sizeof(d3_cfg_cmd), &d3_cfg_cmd); 1541e705c121SKalle Valo } 1542e705c121SKalle Valo 1543e705c121SKalle Valo static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac, 1544e705c121SKalle Valo struct ieee80211_vif *vif) 1545e705c121SKalle Valo { 1546e705c121SKalle Valo struct iwl_mvm *mvm = _data; 1547e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO; 1548e705c121SKalle Valo 1549e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr); 1550e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1551e705c121SKalle Valo !vif->bss_conf.assoc) 1552e705c121SKalle Valo return; 1553e705c121SKalle Valo 1554e705c121SKalle Valo iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags); 1555e705c121SKalle Valo } 1556e705c121SKalle Valo 1557a3f7ba5cSEliad Peller struct iwl_mvm_d0i3_exit_work_iter_data { 1558e705c121SKalle Valo struct iwl_mvm *mvm; 1559a3f7ba5cSEliad Peller struct iwl_wowlan_status *status; 1560e705c121SKalle Valo u32 wakeup_reasons; 1561e705c121SKalle Valo }; 1562e705c121SKalle Valo 1563a3f7ba5cSEliad Peller static void iwl_mvm_d0i3_exit_work_iter(void *_data, u8 *mac, 1564e705c121SKalle Valo struct ieee80211_vif *vif) 1565e705c121SKalle Valo { 1566a3f7ba5cSEliad Peller struct iwl_mvm_d0i3_exit_work_iter_data *data = _data; 1567e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1568a3f7ba5cSEliad Peller u32 reasons = data->wakeup_reasons; 1569e705c121SKalle Valo 1570a3f7ba5cSEliad Peller /* consider only the relevant station interface */ 1571a3f7ba5cSEliad Peller if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1572a3f7ba5cSEliad Peller data->mvm->d0i3_ap_sta_id != mvmvif->ap_sta_id) 1573a3f7ba5cSEliad Peller return; 1574a3f7ba5cSEliad Peller 1575a3f7ba5cSEliad Peller if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH) 1576e705c121SKalle Valo iwl_mvm_connection_loss(data->mvm, vif, "D0i3"); 1577a3f7ba5cSEliad Peller else if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON) 1578e705c121SKalle Valo ieee80211_beacon_loss(vif); 1579a3f7ba5cSEliad Peller else 1580a3f7ba5cSEliad Peller iwl_mvm_d0i3_update_keys(data->mvm, vif, data->status); 1581e705c121SKalle Valo } 1582e705c121SKalle Valo 1583e705c121SKalle Valo void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq) 1584e705c121SKalle Valo { 1585e705c121SKalle Valo struct ieee80211_sta *sta = NULL; 1586e705c121SKalle Valo struct iwl_mvm_sta *mvm_ap_sta; 1587e705c121SKalle Valo int i; 1588e705c121SKalle Valo bool wake_queues = false; 1589e705c121SKalle Valo 1590e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1591e705c121SKalle Valo 1592e705c121SKalle Valo spin_lock_bh(&mvm->d0i3_tx_lock); 1593e705c121SKalle Valo 15940ae98812SSara Sharon if (mvm->d0i3_ap_sta_id == IWL_MVM_INVALID_STA) 1595e705c121SKalle Valo goto out; 1596e705c121SKalle Valo 1597e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "re-enqueue packets\n"); 1598e705c121SKalle Valo 1599e705c121SKalle Valo /* get the sta in order to update seq numbers and re-enqueue skbs */ 1600e705c121SKalle Valo sta = rcu_dereference_protected( 1601e705c121SKalle Valo mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id], 1602e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 1603e705c121SKalle Valo 1604e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) { 1605e705c121SKalle Valo sta = NULL; 1606e705c121SKalle Valo goto out; 1607e705c121SKalle Valo } 1608e705c121SKalle Valo 1609e705c121SKalle Valo if (mvm->d0i3_offloading && qos_seq) { 1610e705c121SKalle Valo /* update qos seq numbers if offloading was enabled */ 1611e705c121SKalle Valo mvm_ap_sta = iwl_mvm_sta_from_mac80211(sta); 1612e705c121SKalle Valo for (i = 0; i < IWL_MAX_TID_COUNT; i++) { 1613e705c121SKalle Valo u16 seq = le16_to_cpu(qos_seq[i]); 1614e705c121SKalle Valo /* firmware stores last-used one, we store next one */ 1615e705c121SKalle Valo seq += 0x10; 1616e705c121SKalle Valo mvm_ap_sta->tid_data[i].seq_number = seq; 1617e705c121SKalle Valo } 1618e705c121SKalle Valo } 1619e705c121SKalle Valo out: 1620e705c121SKalle Valo /* re-enqueue (or drop) all packets */ 1621e705c121SKalle Valo while (!skb_queue_empty(&mvm->d0i3_tx)) { 1622e705c121SKalle Valo struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx); 1623e705c121SKalle Valo 1624e705c121SKalle Valo if (!sta || iwl_mvm_tx_skb(mvm, skb, sta)) 1625e705c121SKalle Valo ieee80211_free_txskb(mvm->hw, skb); 1626e705c121SKalle Valo 1627e705c121SKalle Valo /* if the skb_queue is not empty, we need to wake queues */ 1628e705c121SKalle Valo wake_queues = true; 1629e705c121SKalle Valo } 1630e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1631e705c121SKalle Valo wake_up(&mvm->d0i3_exit_waitq); 16320ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1633e705c121SKalle Valo if (wake_queues) 1634e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1635e705c121SKalle Valo 1636e705c121SKalle Valo spin_unlock_bh(&mvm->d0i3_tx_lock); 1637e705c121SKalle Valo } 1638e705c121SKalle Valo 1639e705c121SKalle Valo static void iwl_mvm_d0i3_exit_work(struct work_struct *wk) 1640e705c121SKalle Valo { 1641e705c121SKalle Valo struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work); 1642a3f7ba5cSEliad Peller struct iwl_mvm_d0i3_exit_work_iter_data iter_data = { 1643a3f7ba5cSEliad Peller .mvm = mvm, 1644a3f7ba5cSEliad Peller }; 1645a3f7ba5cSEliad Peller 1646e705c121SKalle Valo struct iwl_wowlan_status *status; 1647a3f7ba5cSEliad Peller u32 wakeup_reasons = 0; 1648e705c121SKalle Valo __le16 *qos_seq = NULL; 1649e705c121SKalle Valo 1650e705c121SKalle Valo mutex_lock(&mvm->mutex); 1651e705c121SKalle Valo 16522afa6a73SLuca Coelho status = iwl_mvm_send_wowlan_get_status(mvm); 16532afa6a73SLuca Coelho if (IS_ERR_OR_NULL(status)) { 16542afa6a73SLuca Coelho /* set to NULL so we don't need to check before kfree'ing */ 16552afa6a73SLuca Coelho status = NULL; 16562afa6a73SLuca Coelho goto out; 16572afa6a73SLuca Coelho } 16582afa6a73SLuca Coelho 1659e705c121SKalle Valo wakeup_reasons = le32_to_cpu(status->wakeup_reasons); 1660e705c121SKalle Valo qos_seq = status->qos_seq_ctr; 1661e705c121SKalle Valo 1662e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons); 1663e705c121SKalle Valo 1664a3f7ba5cSEliad Peller iter_data.wakeup_reasons = wakeup_reasons; 1665a3f7ba5cSEliad Peller iter_data.status = status; 1666a3f7ba5cSEliad Peller ieee80211_iterate_active_interfaces(mvm->hw, 1667a3f7ba5cSEliad Peller IEEE80211_IFACE_ITER_NORMAL, 1668a3f7ba5cSEliad Peller iwl_mvm_d0i3_exit_work_iter, 1669a3f7ba5cSEliad Peller &iter_data); 1670e705c121SKalle Valo out: 1671e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, qos_seq); 1672e705c121SKalle Valo 1673e705c121SKalle Valo IWL_DEBUG_INFO(mvm, "d0i3 exit completed (wakeup reasons: 0x%x)\n", 1674e705c121SKalle Valo wakeup_reasons); 1675e705c121SKalle Valo 1676e705c121SKalle Valo /* qos_seq might point inside resp_pkt, so free it only now */ 16772afa6a73SLuca Coelho kfree(status); 1678e705c121SKalle Valo 1679e705c121SKalle Valo /* the FW might have updated the regdomain */ 1680e705c121SKalle Valo iwl_mvm_update_changed_regdom(mvm); 1681e705c121SKalle Valo 16827d9d0d56SLuca Coelho iwl_mvm_resume_tcm(mvm); 1683e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK); 1684e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1685e705c121SKalle Valo } 1686e705c121SKalle Valo 1687e705c121SKalle Valo int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm) 1688e705c121SKalle Valo { 1689e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE | 1690e705c121SKalle Valo CMD_WAKE_UP_TRANS; 1691e705c121SKalle Valo int ret; 1692e705c121SKalle Valo 1693e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n"); 1694e705c121SKalle Valo 1695702e975dSJohannes Berg if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)) 169608f0d23dSEliad Peller return -EINVAL; 169708f0d23dSEliad Peller 1698e705c121SKalle Valo mutex_lock(&mvm->d0i3_suspend_mutex); 1699e705c121SKalle Valo if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) { 1700e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n"); 1701e705c121SKalle Valo __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags); 1702e705c121SKalle Valo mutex_unlock(&mvm->d0i3_suspend_mutex); 1703e705c121SKalle Valo return 0; 1704e705c121SKalle Valo } 1705e705c121SKalle Valo mutex_unlock(&mvm->d0i3_suspend_mutex); 1706e705c121SKalle Valo 1707e705c121SKalle Valo ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL); 1708e705c121SKalle Valo if (ret) 1709e705c121SKalle Valo goto out; 1710e705c121SKalle Valo 1711e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic(mvm->hw, 1712e705c121SKalle Valo IEEE80211_IFACE_ITER_NORMAL, 1713e705c121SKalle Valo iwl_mvm_exit_d0i3_iterator, 1714e705c121SKalle Valo mvm); 1715e705c121SKalle Valo out: 1716e705c121SKalle Valo schedule_work(&mvm->d0i3_exit_work); 1717e705c121SKalle Valo return ret; 1718e705c121SKalle Valo } 1719e705c121SKalle Valo 1720e705c121SKalle Valo int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode) 1721e705c121SKalle Valo { 1722e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1723e705c121SKalle Valo 1724e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK); 1725e705c121SKalle Valo return _iwl_mvm_exit_d0i3(mvm); 1726e705c121SKalle Valo } 1727e705c121SKalle Valo 1728a75b9b33SLuca Coelho #define IWL_MVM_D0I3_OPS \ 1729a75b9b33SLuca Coelho .enter_d0i3 = iwl_mvm_enter_d0i3, \ 1730a75b9b33SLuca Coelho .exit_d0i3 = iwl_mvm_exit_d0i3, 1731a75b9b33SLuca Coelho #else /* CONFIG_PM */ 1732a75b9b33SLuca Coelho #define IWL_MVM_D0I3_OPS 1733a75b9b33SLuca Coelho #endif /* CONFIG_PM */ 1734a75b9b33SLuca Coelho 1735e705c121SKalle Valo #define IWL_MVM_COMMON_OPS \ 1736e705c121SKalle Valo /* these could be differentiated */ \ 1737156f92f2SEmmanuel Grumbach .async_cb = iwl_mvm_async_cb, \ 1738e705c121SKalle Valo .queue_full = iwl_mvm_stop_sw_queue, \ 1739e705c121SKalle Valo .queue_not_full = iwl_mvm_wake_sw_queue, \ 1740e705c121SKalle Valo .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ 1741e705c121SKalle Valo .free_skb = iwl_mvm_free_skb, \ 1742e705c121SKalle Valo .nic_error = iwl_mvm_nic_error, \ 1743e705c121SKalle Valo .cmd_queue_full = iwl_mvm_cmd_queue_full, \ 1744e705c121SKalle Valo .nic_config = iwl_mvm_nic_config, \ 1745a75b9b33SLuca Coelho IWL_MVM_D0I3_OPS \ 1746e705c121SKalle Valo /* as we only register one, these MUST be common! */ \ 1747e705c121SKalle Valo .start = iwl_op_mode_mvm_start, \ 1748e705c121SKalle Valo .stop = iwl_op_mode_mvm_stop 1749e705c121SKalle Valo 1750e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops = { 1751e705c121SKalle Valo IWL_MVM_COMMON_OPS, 1752e705c121SKalle Valo .rx = iwl_mvm_rx, 1753e705c121SKalle Valo }; 1754e705c121SKalle Valo 1755e705c121SKalle Valo static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, 1756e705c121SKalle Valo struct napi_struct *napi, 1757e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb, 1758e705c121SKalle Valo unsigned int queue) 1759e705c121SKalle Valo { 1760e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1761585a6fccSSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 176261b0f5d7SJohannes Berg u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1763e705c121SKalle Valo 176461b0f5d7SJohannes Berg if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) 1765a338384bSSara Sharon iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); 176661b0f5d7SJohannes Berg else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 176761b0f5d7SJohannes Berg RX_QUEUES_NOTIFICATION))) 176894bb4481SSara Sharon iwl_mvm_rx_queue_notif(mvm, rxb, queue); 176961b0f5d7SJohannes Berg else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1770780e87c2SJohannes Berg iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); 1771e705c121SKalle Valo } 1772e705c121SKalle Valo 1773e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { 1774e705c121SKalle Valo IWL_MVM_COMMON_OPS, 1775e705c121SKalle Valo .rx = iwl_mvm_rx_mq, 1776e705c121SKalle Valo .rx_rss = iwl_mvm_rx_mq_rss, 1777e705c121SKalle Valo }; 1778